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Headphones Made Of Fungus Could Change How We Use Plastic And Leather

Video vocabulary

microbe

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US / ˈmaɪkrəʊb /

UK / ˈmaɪkroʊb /

C1
  • noun
  • Very small, microscopic, living thing

capability

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US / ˌkeɪpəˈbɪləti /

UK / ˌkeɪpə'bɪləti /

B1
  • noun
  • Means, ability, or potential to do something

such

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US / sʌtʃ /

UK / sʌtʃ /

A1
  • determiner
  • Being similar to
  • (Thing) as previously stated or referred to
  • adverb
  • (Used to emphasize the quality of an adjective)

pair

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US / peə(r) /

UK / per /

A2
  • noun
  • Two of the same thing, e.g. socks
  • Two people viewed together for some reason; couple
  • verb
  • To put two things or people together

finland

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US / 'fɪnlənd /

UK / 'fɪnlənd /

A1
  • noun
  • Republic in northern Europe next to Russia and Sweden

filamentous

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US / fɪlə'ment'əs /

UK / fɪlə'ment'əs /

C1
  • adjecitve
  • Thin in diameter; resembling a thread

silky

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US / 'sɪlkɪ /

UK / ˈsɪlki /

B1
  • adjecitve
  • Having a smooth texture and shiny appearance

roots

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US / ruːts /

UK / ruːts /

A2
  • other
  • Your ancestries
  • The origins or starting place of some things
  • Parts of plants growing underground, as to get water
  • Part of tooth, hair etc. from which the rest grows
  • Base part of a word to which affixes can be added
  • verb
  • To cause a plant to develop or grow roots
  • (Animals) to search for e.g. food in earth
  • To stop someone moving, as through fear

oil

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US / ɔɪl /

UK / ɔɪl /

A2
  • noun
  • A liquid used for frying foods
  • Thick, black liquid in the ground used as fuel
  • verb
  • To add a liquid for frying foods
  • To put liquid in a machine so it will run smoothly

much

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US / mʌtʃ /

UK / mʌtʃ /

A1
  • adjecitve
  • Very; to a high level or degree
  • adverb
  • A lot; large amount; a high degree of
  • Nearly; basically
  • On many occasions; often
  • noun
  • A large amount; a great quantity

talk

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US / tɔ:k /

UK / tɔk /

A1
  • noun
  • Style of speaking
  • Discussion between two countries
  • Giving information in front of people; lecture
  • Saying things or ideas to someone with words
  • verb
  • To make a formal speech about something
  • To say things or ideas to someone with words

just

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US / dʒʌst /

UK / dʒʌst /

A1
  • adjecitve
  • Proper or appropriate; as is deserved
  • Doing or being what is right or fair
  • Legally correct; having enough evidence
  • adverb
  • Almost; nearly
  • Exactly at the time of
  • Exactly (the same as, like)

through

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US / θru: /

UK / θru /

A2
  • adjecitve
  • having finished using or doing something
  • adverb
  • From the beginning of something until the end
  • preposition
  • Over, in, across an entire thing or place
  • Allowing you to pass between, or to
  • By a particular way or process; by the use of

time

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US / taɪm /

UK / taɪm /

A1
  • noun
  • Speed at which music is played; tempo
  • Point as shown on a clock, e.g. 3 p.m
  • Number of hours, minutes needed to do something
  • Occasion when something happens
  • Period or occasion that something occurred
  • Period in history or the past
  • Something measured in minutes, hours, days, etc.
  • How long an event takes; duration
  • verb
  • To check speed at which music is performed
  • To choose a specific moment to do something
  • To measure how long an event takes, e.g. a race
  • To schedule something to occur at a specific moment

for

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US / fə(r) /

UK / fɔr,fə /

A1
  • preposition
  • Used to show the purpose, or need of something

unique

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US / jʊ'ni:k /

UK / juˈnik /

A2
  • adjecitve
  • Unlike other things; being the only one like it

start

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US / stɑ:t /

UK / stɑrt /

A1
  • noun
  • First time or place that a thing exists; beginning
  • First opportunity to achieve something, e.g. a job
  • Sudden action or movement because you are scared
  • other
  • Beginning of something in place or time
  • verb
  • To do, be or happen for the first time; begin
  • To turn something on

set

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US / set /

UK / sɛt /

A1
  • adjecitve
  • Prepared for something; ready
  • noun
  • Complete group of something
  • Place where a television show or movie is filmed
  • Group of games in a tennis match
  • Device that receives radio or television signals
  • verb
  • To make a clock state or ring at a particular time
  • To decide upon or choose something
  • To make something ready for use (e.g. table)
  • To decide on a price for something
  • To become hard (of glue, concrete etc.)
  • To be located in a specific place or time
  • To put (e.g. a vase) down carefully in a place
  • To put someone in a certain condition or state
  • (Of the sun) to go lower than the horizon

source

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US / sɔ:s /

UK / sɔrs, sors /

A2
  • adjecitve
  • Produces or provides what is wanted or needed
  • noun
  • Piece of information; a person giving information
  • Place from which something necessary comes
  • verb
  • To get, e.g. a raw material, from somewhere

piece

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US / pi:s /

UK / pis /

A1
  • noun
  • A counter in a board game
  • Small part of something larger
  • verb
  • To put items together to assemble something

making

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US / 'meɪkɪŋ /

UK / ˈmekɪŋ /

A1
  • verb
  • To arrange or prepare something e.g. dinner
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

harm

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US / hɑ:m /

UK / hɑrm /

A2
  • noun
  • Damage or injury
  • verb
  • To damage, injure, or hurt someone or something

grow

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US / ɡrəʊ /

UK / ɡro /

A1
  • verb
  • To get bigger and more mature; make plants do this
  • To improve; to develop better skills over time
  • To develop and become bigger or taller over time

those

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US / ðəʊz /

UK / ðoz /

A1
  • determiner
  • The people or things we are talking about
  • pronoun
  • The objects far from the speaker

designer

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US / dɪˈzaɪnə(r) /

UK / dɪˈzaɪnə /

A2
  • adjecitve
  • Describing something that has been designed
  • noun
  • Someone who creates plans to make something

rotten

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US / 'rɒtn /

UK / ˈrɑtn /

B2
  • adjecitve
  • Gone bad; broken into pieces through dying
  • Being very unpleasant, unfortunate or undesirable
  • Being very morally wrong

think

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US / θɪŋk /

UK / θɪŋk /

A1
  • verb
  • To have an idea about something without certainty
  • To have an idea, opinion or belief about something

inject

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US / ɪn'dʒekt /

UK / ɪnˈdʒɛkt /

B1
  • verb
  • To add or put in more (money, energy etc.)
  • To motivate or put energy into something
  • To put medicine into someone with a syringe

company

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US / 'kʌmpənɪ /

UK / ˈkʌmpəni /

A1
  • noun
  • Good feeling from being with someone else
  • A business that sells things or provides services
  • Guests, especially in your home
  • Being with another person rather than alone

audio

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US / ˈɔ:diəʊ /

UK / ˈɔ:dioʊ /

B2
  • adjecitve
  • Concerning sound

any

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US / 'enɪ /

UK / ˈɛni /

A1
  • adjecitve
  • One, or some, no matter which
  • pronoun
  • One (thing) of many; some

something

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US / ˈsʌmθɪŋ /

UK / ˈsʌmθɪŋ /

A1
  • adverb
  • In some degree or measure
  • noun
  • a person or thing of some value or consequence
  • pronoun
  • Thing that is not yet known or named
  • Approximately

silk

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US / sɪlk /

UK / sɪlk /

A2
  • noun
  • Fine cloth material used for making clothes

rather

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US / 'rɑ:ðə(r) /

UK / ˈræðɚ, ˈrɑðɚ /

A1
  • adverb
  • Somewhat; fairly; not that much

keep

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US / ki:p /

UK / kip /

A1
  • noun
  • Large, strong tower in the middle of a castle
  • Money spent on you so you can live in a place
  • verb
  • To continue doing something; not to stop
  • To stop balls going in a goal in sports
  • To not give back or return something
  • (Of food) to not spoil or not rot
  • To take possession of something to own, e.g. a pet
  • To have and continue to hold something
  • To do something that you have promised or agreed
  • To stay in a certain place or condition
  • To maintain the rules

couple

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US / 'kʌpl /

UK / ˈkʌpəl /

A2
  • noun
  • Two people in a romantic relationship
  • Two of something; two people; a pair
  • verb
  • To join something to something else
  • (Two animals) to engage in sexual relations
  • To put two people or things together

lot

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US / lɒt /

UK / lɑt /

A1
  • noun
  • What happens to a person in life from chance; fate
  • A group of people seen together
  • Item for sale at an auction
  • Small area of land used for a purpose e.g. parking

and

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US / ənd /

UK / ənd, ən,ænd /

A1
  • conjunction
  • Used to refer to two or more things
  • Plus; in addition; on top of that
  • Used to introduce an action that follows another

most

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US / məʊst /

UK / most /

A1
  • adverb
  • Very; extremely
  • Greatest possible degree
  • pronoun
  • Nearly all of something

flat

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US / flæt /

UK / flæt /

A2
  • adjecitve
  • Level; even; without curves or bumps
  • Lifeless; lacking energy or vitality
  • adverb
  • In a certain, direct or absolute manner
  • Against a surface without lifting or curving away
  • noun
  • Apartment; set of rooms for living in
  • The smooth or level part of something
  • Musical tone lower than another by a small degree
  • verb
  • To share an apartment with someone

resource

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US / riˈsɔ:s /

UK / ˈriˌsɔrs, -ˌsors, -ˌzɔrs, -ˌzors, rɪˈsɔrs, -ˈsors, /

A2
  • noun
  • Something that can be used profitably; asset
  • An essential supply of something
  • Resourcefulness; ability to deal with problems
  • verb
  • To obtain (e.g. oil, gas) from its source

out

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US / aʊt /

UK / aʊt /

A1
  • adverb
  • No longer stylish (e.g. fashion)
  • Away from home, business, or the usual place
  • In a direction/movement away from inside or center
  • noun
  • Act when a batter cannot continue playing
  • verb
  • To tell people a secret

manuel

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US / ˈmænjʊel /

UK / /

A1

from

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US / frəm /

UK / frʌm, frɑm,frəm /

A1
  • preposition
  • Starting at a particular place, time or level

form

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US / fɔ:m /

UK / fɔrm /

A1
  • noun
  • Sports team or person's current winning record
  • Document you complete when making an application
  • Visible shape or style; type; kind
  • verb
  • To organize something such as a club or group
  • To develop; to come into a shape or substance
  • To make something into a particular shape

ton

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US / tʌn /

UK / tʌn /

A2
  • noun
  • Unit of weight; 907 kilograms (US); 1016 (UK)

them

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US / ðəm /

UK / ðɛm,ðəm /

A1
  • pronoun
  • Referring to specified other people

two

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US / tu: /

UK / tu /

A1
  • number
  • 2

completely

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US / kəmˈpli:tli /

UK / kəmˈpliːtli /

A1
  • adverb
  • In every way or as much as possible

commercialize

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US / kəˈmɜ:ʃəlaɪz /

UK / kəˈmɜ:rʃlaɪz /

B1
  • verb
  • To market or sell something for a profit

number

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US / ˈnʌmbə(r) /

UK / ˈnʌmbɚ /

A1
  • noun
  • Symbols such as 1, 2, 56, 793
  • Particular song or dance performed during a show
  • Total quantity or amount of things
  • verb
  • To put numbers on things
  • To assign a sequence within a group, series, set
  • To claim to be part of a larger group, series, set

interesting

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US / ˈɪntrəstɪŋ /

UK / ˈɪntrɪstɪŋ, -tərɪstɪŋ, -təˌrɛstɪŋ /

A1
  • adjecitve
  • Taking your attention; making you want to know
  • verb
  • To make someone want to know about something
  • To persuade to do, become involved with something

second

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US / 'sekənd /

UK / ˈsɛkənd /

A1
  • adjecitve
  • 2nd; the one following first
  • noun
  • Unit of time; one sixtieth of a minute
  • Short period of time that you wait for someone
  • (Do) soon
  • verb
  • To agree to support a proposal at a meeting

nina

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US / ˈniːnə /

UK / ˈnaɪnər /

A1

headband

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US / ˈhedbænd /

UK / ˈhɛdˌbænd /

C2
  • noun
  • Band worn around or over the head

get

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US / ɡet /

UK / ɡɛt /

A1
  • verb
  • To become affected by illness or disease
  • To begin to feel or understand an emotion or idea
  • To send or bring someone or something home, etc.
  • To go somewhere to obtain something
  • To (cause to) do a particular thing
  • To obtain, receive or be given something
  • To currently have
  • To prepare for use
  • To understand something being said or read

exciting

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US / ɪkˈsaɪtɪŋ /

UK / ɪkˈsaɪtɪŋ /

A2
  • adjecitve
  • Creating interest, happiness or pleasurable fear
  • verb
  • To cause a reaction; make active
  • To make someone feel happy, interested or eager

first

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US / fɜ:st /

UK / fɚst /

A1
  • adjecitve
  • 1st; Coming before all others in time or place
  • noun
  • Something that has not happened before
  • Position of the winner of a competition

bacteria

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US / bæk'tɪərɪə /

UK / bækˈtɪriə /

B2
  • noun
  • The very small creatures that can cause disease

require

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US / rɪ'kwaɪə(r) /

UK / rɪˈkwaɪr /

A2
  • verb
  • To demand that someone does something
  • To need to do something, to make it necessary

mean

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US / mi:n /

UK / min /

A1
  • adjecitve
  • Being good at
  • Nasty; unkind
  • Not liking to spend money; cheap; stingy
  • noun
  • Average of a set of numbers
  • verb
  • To express a particular idea or thought
  • To intend to do something in particular
  • To have a particular meaning or value

harden

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US / 'hɑ:dn /

UK / 'hɑ:rdn /

A2
  • verb
  • To make or become hard or firm

lab

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US / læb /

UK / læb /

B1
  • noun
  • Short for 'laboratory'

enough

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US / ɪˈnʌf /

UK / ɪˈnʌf /

A1
  • adjecitve
  • Sufficient to answer the need
  • adverb
  • To a satisfactory degree
  • pronoun
  • Equal to what is needed; as much as required
  • Adequate number or amount

similar

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US / ˈsɪmələ(r) /

UK / ˈsɪməlɚ /

A1
  • adjecitve
  • Nearly the same; alike

she

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US / ʃɪ /

UK / ʃi /

A1
  • pronoun
  • Female person or animal mentioned before
  • (Refers to female person mentioned before)

right

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US / raɪt /

UK / raɪt /

A1
  • adjecitve
  • Correct or true
  • The south side of you looking at the rising sun
  • adverb
  • Exactly in a place or time
  • Being appropriate for a particular event
  • In a straight or direct manner
  • noun
  • Something you are legally or morally allowed to do
  • Ideal of what is just and good
  • Political view based on conservatism
  • verb
  • To fix something previously wrong or unjust
  • To make upright, as a boat that has turned over

leather

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US / ˈleðə(r) /

UK / ˈlɛðɚ /

A2
  • noun
  • Chemically tanned animal skin, e.g. for shoes

what

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US / wɒt /

UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /

A1
  • pronoun
  • Thing or things that; the same kind as
  • Used to emphasize something you are about to say
  • adjecitve
  • Used to refer to a particular amount, or number
  • Used to place emphasis on a particular quality
  • adverb
  • To a certain degree
  • determiner
  • Question words used for asking for information
  • exclamation
  • Used to express excitement, shock, or surprise
  • Used to ask people to repeat something they said

that

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US / ðæt /

UK / ðæt, ðət /

A1
  • adjecitve
  • The person or thing being talked about
  • Used to identify something both the speakers know
  • adverb
  • Used to reinforce adjectives and adverbs
  • To such a degree
  • conjunction
  • Used to connect a noun clause
  • Used to introduce an adverbial clause
  • Used to introduce a noun clause
  • determiner
  • Used as a noun to refer to something
  • pronoun
  • Referring an object far away
  • Used to refer to the relative pronoun ‘which’

rival

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US / 'raɪvl /

UK / 'raɪvl /

A2
  • verb
  • To be nearly as good as others in quality, skill
  • To be in opposition often as competitors
  • adjecitve
  • Matching the quality, skill, et. of others
  • Opposing; being the team you compete against
  • noun
  • Someone you are competing against/trying to beat

people

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US / 'pi:pl /

UK / ˈpipəl /

A1
  • noun
  • Persons sharing culture, country, background, etc.
  • Men, Women, Children

like

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US / laɪk /

UK / laɪk /

A1
  • adjecitve
  • Being equal in status or kind to something else
  • Similar; the same
  • adverb
  • For example
  • preposition
  • Used as a filler; used to ad emphasis
  • In a way similar to the way something is done
  • Such as; for example
  • verb
  • To want to
  • To find something pleasing; to prefer something

even

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US / 'i:vn /

UK / ˈivən /

A1
  • adjecitve
  • Being equal in influence, power, possibility etc.
  • Being divided equally or fairly
  • (Of teams/contest) with similar chances of success
  • Smooth, level, or regular
  • Can be divided by 2; ending in 2, 4, 6, 8, or 0
  • At a regular, equally steady manner
  • Remaining steady and unchanging
  • adverb
  • (When this is surprising) as well; too
  • (Used to compare two things/stress the difference)
  • verb
  • To make something level; to flatten
  • To make something equal

different

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US / ˈdɪfrənt /

UK / ˈdɪfrənt /

A1
  • adjecitve
  • Not of the same kind; unlike other things

about

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US / ə'baʊt /

UK / əˈbaʊt /

A1
  • adverb
  • To be ready to; going to
  • Nearly; approximately; roughly
  • Near; next to; close to
  • In every direction; in the area of
  • preposition
  • Concerning or of (a topic)

slowly

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US / ˈsləʊli /

UK / ˈsloʊli /

A1
  • adverb
  • In an unhurried or not speedy manner

then

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US / ðen /

UK / ðɛn /

A1
  • adverb
  • A time that is not now
  • Following another thing in time or arrangement
  • Following on reasonably from what was just stated
  • At that time, not now

instantly

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US / ˈɪnstəntli /

UK / ˈɪnstəntli /

A2
  • adverb
  • In a manner without delay; immediately

mycelium

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US / maɪ'si:lɪəm /

UK / maɪ'si:lɪrm /

A1
  • noun
  • Vegetative part of a fungus consisting of a mass of branching thread-like hyphae

happen

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US / 'hæpən /

UK / ˈhæpən /

A1
  • verb
  • To take place or occur

main

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US / meɪn /

UK / men /

A1
  • adjecitve
  • Most important; most often used

headset

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US / ˈhedset /

UK / ˈhɛdˌsɛt /

C2
  • noun
  • Headphones

dry

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US / draɪ /

UK / draɪ /

A1
  • adjecitve
  • (Of humor) clever, but not obvious; ironic
  • Without water; not wet
  • (Of wine, etc.) not sweet
  • Without butter or jam
  • verb
  • To remove liquid or water from something

bluetooth

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US / 'blu:tu:θ /

UK / 'blu:tu:θ /

A1
  • noun
  • A standard for the short-range wireless interconnection of mobile phones, computers, and other elect
  • transitive verb
  • Send (a photograph or other piece of data) from one electronic device to another via Bluetooth.

who

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US / hu: /

UK / hu /

A1
  • pronoun
  • Which person
  • Used to introduce information about people

produce

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US / prə'dju:s /

UK / prəˈdus, -ˈdjus, pro- /

A1
  • noun
  • Fresh foods such as fruits and vegetables
  • verb
  • To grow something naturally
  • To make something appear
  • To manufacture something using machines
  • To control the making a movie or television show

everyone

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US / ˈevriwʌn /

UK / ˈɛvriˌwʌn /

A1
  • pronoun
  • Every person; everybody

all

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US / ɔ:l /

UK / ɔl /

A1
  • adverb
  • Completely; totally
  • determiner
  • Being every one of something
  • pronoun
  • 100% of something; the complete amount

biology

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US / baɪˈɒlədʒi /

UK / baɪˈɑlədʒi /

A2
  • noun
  • The study of living things

look

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US / lʊk /

UK / lʊk /

A1
  • noun
  • Person's beauty or physical attractiveness
  • Particular style of dress, clothes, or appearance
  • The way someone, something appears to be
  • Act of searching for or examining something
  • verb
  • To appear to be; seem

encourage

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US / ɪn'kʌrɪdʒ /

UK / ɛnˈkɚrɪdʒ, -ˈkʌr- /

A2
  • verb
  • To increase the chance of something happening
  • To make someone more determined or confident

way

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US / weɪ /

UK / we /

A1
  • adverb
  • Used to emphasize the amount of something
  • noun
  • Particular aspect of something being thought about
  • One of various choices that could be made
  • Particular existing condition or state
  • (Often long) distance or length of time
  • How something is done
  • Route to go to a place
  • Small street
  • Usual behavior, emotions or habits of someone

design

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US / dɪˈzaɪn /

UK / dɪˈzaɪn /

A1
  • noun
  • The way something is planned, to fulfill a purpose
  • verb
  • To plan in a particular way to fulfill a purpose
  • To think of a plan

sustainable

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US / səˈsteɪnəbl /

UK / səˈsteɪnəbl /

B2
  • adjecitve
  • Capable of continuing for a long time
  • Able to be maintained without running out of

result

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US / rɪ'zʌlt /

UK / rɪˈzʌlt /

A2
  • noun
  • Something produced through tests or experiments
  • Final score of a competition, election or game
  • verb
  • To be the outcome of other causes and effects

change

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US / tʃeɪndʒ /

UK / tʃendʒ /

A1
  • noun
  • Exchange of one set of clothes for another
  • Money in the form of coins instead of paper
  • Money returned after giving too much
  • Act of making or becoming something else
  • verb
  • To exchange one set of clothes for another
  • To exchange one kind of money for another
  • To replace something with another thing
  • To make or become something else
  • To go from one train, bus, etc. and go to another

cup

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US / kʌp /

UK / kʌp /

A1
  • noun
  • Small round container used for drinking
  • Silver trophy teams compete to win
  • Unit of measurement for foods or liquids
  • verb
  • To make the shape of a bowl with your hands

very

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US / 'verɪ /

UK / ˈvɛri /

A1
  • adjecitve
  • Concerning a large degree or amount
  • adverb
  • A lot; much; many
  • Used to stress or emphasize a noun

they

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US / ðeɪ /

UK / ðe /

A1
  • pronoun
  • Two or more people, animals, or things

background

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US / ˈbækgraʊnd /

UK / ˈbækˌɡraʊnd /

A2
  • noun
  • Images, color, or information behind the main one
  • Someone's personal work and educational history
  • A position not as important as the main event
  • Past events that influence things in the present

work

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US / wɜ:k /

UK / wɚk /

A1
  • adjecitve
  • Activity completed in order to make money
  • noun
  • The product of some artistic or literary endeavor
  • Everything created by an author, artist, musician
  • Activity you do in order to make money
  • Place of employment
  • Final product or result of a some labor or effort
  • verb
  • To bring into a specific state of success
  • To be functioning properly, e.g. a car
  • To do your job in your company or workplace
  • To make an effort to do something
  • To operate a machine or device

old

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US / əʊld /

UK / old /

A1
  • adjecitve
  • Having existed for a long time, not young or new
  • Age of a person since birth

groundbreaking

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US / ˈgraʊndbreɪkɪŋ /

UK / ˈɡraʊndˌbrekɪŋ /

C2
  • adjecitve
  • Innovative and new
  • noun
  • Ceremony to begin a construction project

take

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US / teɪk /

UK / tek /

A1
  • noun
  • Filming of a single scene for TV or the movies
  • verb
  • To accept something that is offered
  • To use a method of traveling, e.g. a bus or train
  • To use a camera to make (a photo)
  • To pick up something and go away with it
  • To study a subject in school
  • To attempt to pass (an exam)
  • To require a certain amount of time, money, space

project

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US / prəˈdʒekt /

UK / prəˈdʒɛkt /

A1
  • noun
  • A planned piece of work for specific purpose
  • Group of homes built by government for poor people
  • verb
  • To predict what will happen in the future
  • To show something on a screen using light
  • To stick out past the edge of something

onto

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US / ˈɒntə /

UK / ˈɑnˌtu, -tə, ˈɔn- /

A1
  • preposition
  • Towards a certain direction/into a certain area

see

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US / si: /

UK / si /

A1
  • verb
  • To go on a date with someone
  • To predict whether something is, or will be true
  • To understand what someone says
  • To use your eyes to look at something
  • To visit a place often for sightseeing or pleasure
  • To visit or meet with someone
  • To find out by waiting or looking
  • To watch (a game, movie or TV show)

rely

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US / rɪ'laɪ /

UK / rɪˈlaɪ /

B2
  • verb
  • Depend on with full trust or confidence

made

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US / meɪd /

UK / med /

A1
  • verb
  • To arrange or prepare something e.g. dinner
  • To get to (a place) on time
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

aria

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US / 'ɑ:rɪə /

UK / 'ɑ:rɪr /

C1
  • noun
  • Song for one of the main singers in an opera

competency

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US / ˈkɒmpɪtənsi /

UK / ˈkɑ:mpɪtənsi /

B2
  • noun
  • Ability to do in a fully satisfactory way

challenge

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US / 'tʃælɪndʒ /

UK / ˈtʃæləndʒ /

A2
  • noun
  • An activity you wish to try that may be hard to do
  • Act of formally inviting someone to compete
  • A question to determine correctness of something
  • verb
  • To formally invite someone to compete at something
  • To question the correctness of something

world

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US / wɜ:ld /

UK / wɜrld /

A1
  • noun
  • All the humans, events, activities on the earth
  • Political division due to some kind of similarity

spider

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US / ˈspaɪdə(r) /

UK / ˈspaɪdɚ /

B1
  • noun
  • Small creature with 8 legs that spins cobwebs

cannot

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US / ˈkænɒt /

UK / ˈkænɑ:t /

A1
  • other
  • Unable to; not have the skill to; not have time to
  • verb
  • To not have permission to

with

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US / wɪð /

UK / wɪð, wɪθ /

A1
  • preposition
  • As an employee of a certain company
  • Against something or someone
  • By using something as a means
  • Due to; because of
  • Including
  • Possessing as a feature
  • Related to
  • (Of the manner/attitude by which you do something)
  • Used to express that people or things are together

process

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US / prə'ses /

UK / ˈprɑsˌɛs, ˈproˌsɛs /

A2
  • noun
  • Dealing with official forms in the way required
  • Set of changes that occur slowly and naturally
  • verb
  • To organize and use data in a computer
  • To deal with official forms in the way required
  • To prepare by treating something in a certain way
  • To adopt a set of actions that produce a result
  • To convert by putting something through a machine

dangerous

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US / ˈdeɪndʒərəs /

UK / ˈdendʒərəs /

A1
  • adjecitve
  • Involving the chance of hurt or damage; risky

wear

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US / weə(r) /

UK / wer /

A1
  • noun
  • Clothing designed for a purpose e.g. skiing
  • Damage from continual use over a long period
  • verb
  • To have clothes, glasses, shoes etc. on your body
  • To display an expression or emotion on the face
  • To become weaker or damaged from continued use

know

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US / nəʊ /

UK / noʊ /

A1
  • verb
  • To be familiar with a person or place, thing
  • To feel sure or be convinced about something
  • To discover or be aware of something
  • To be able to distinguish
  • To have knowledge of things

could

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US / kəd /

UK / kʊd /

A1
  • other
  • Past form of 'can' to mean have ability
  • Used to ask for something politely, or to offer

foam

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US / fəʊm /

UK / foʊm /

B1
  • noun
  • Mix of a liquid and air to form a mass of bubbles
  • verb
  • To mix air and liquid to form a mass of bubbles

developing

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US / dɪˈveləpɪŋ /

UK / dɪˈvɛləpɪŋ /

A1
  • adjecitve
  • Grown bigger, older and more mature
  • verb
  • To explain something in steps and in detail
  • To create or think of something
  • To grow bigger, more complex, or more advanced
  • To make a photograph from film

worldwide

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US / ˈwɜ:ldwaɪd /

UK / ˈwɚldˈwaɪd /

B1
  • adjecitve
  • Spanning or extending throughout the entire world
  • adverb

scientist

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US / ˈsaɪəntɪst /

UK / ˈsaɪəntɪst /

A2
  • noun
  • Person who is trained in a science

next

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US / nekst /

UK / nɛkst /

A1
  • adverb
  • The one that follows another in time or order
  • At a time or place directly after the present one
  • noun
  • The one that follows after
  • adjecitve
  • Immediately after the previous one
  • First occurrence after the present one

gather

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US / ˈgæðə(r) /

UK / ˈɡæðɚ /

A2
  • noun
  • Fold in cloth, as in a full skirt
  • verb
  • To bring objects together into one place
  • (Of liquids) To come to a head, as in boil
  • To collect foods such as wild berries or crops
  • To increase or accumulate
  • To bring people, animals together into a group
  • To activate strength, courage to prepare for task
  • To understand or believe some information

doing

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US / ˈdu:ɪŋ /

UK / ˈduɪŋ /

A1
  • other
  • To act; to perform actions

film

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US / fɪlm /

UK / fɪlm /

A2
  • noun
  • Thin layer that covers something
  • Movie
  • verb
  • To record moving action with a camera

without

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US / wɪˈðaʊt /

UK / wɪðˈaʊt, wɪθ- /

A1
  • preposition
  • Not with; not having

substance

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US / 'sʌbstəns /

UK / ˈsʌbstəns /

A2
  • noun
  • Essence of; most basic or central qualities
  • Particular type of material
  • Having material form; existing
  • Quality of truth, importance, or meaningfulness

part

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US / pɑ:t /

UK / pɑ:rt /

A1
  • adjecitve
  • To some degree; half; not fully
  • noun
  • Division of a book
  • Ratio of something, e.g. 3 of gin, 1 of tonic
  • A line in a person's hair, made with a comb
  • Character an actor plays on stage, movie, or TV
  • Some, but not all of a specific thing
  • Role in causing something to happen
  • verb
  • To make a line in a person's hair, by using a comb
  • To move two things apart creating a space
  • To leave someone, or to break off a relationship

plan

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US / plæn /

UK / plæn /

A1
  • noun
  • Drawing of how something should be done or made

headphone

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US / 'hedfəʊn /

UK / 'hedˌfoʊn /

B2
  • noun
  • Device put over the ears to listen to recordings

have

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US / həv /

UK / hæv /

A1
  • verb
  • To drink, smoke, eat or use something
  • To experience the effects of something
  • To organize an event, or join in an activity
  • To own, possess, or hold something
  • To cause to happen or produce a particular effect

cover

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US / 'kʌvə(r) /

UK / ˈkʌvɚ /

A1
  • noun
  • A different version of another song
  • Bed sheets; blankets
  • (Police or military) protection from attack
  • Amount of money to be paid in an insurance claim
  • Thing you put over something to close or hide it
  • Front and back part of a book or magazine
  • Shelter built to protect from the natural elements
  • verb
  • To record a different version of another song
  • To include as part of its area
  • To put something over something to hide it
  • To discuss a subject in a talk or meeting
  • To form a layer over something so it is hidden
  • To have sufficient funds to pay for something
  • To include something within an agreed limit
  • To report news on TV, radio or in a newspaper
  • (Police or military) to protect from attack
  • To travel a certain distance in a given time
  • To wrap something with something, such as a cloth

sample

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US / ˈsɑ:mpl /

UK / ˈsæmpl /

A2
  • noun
  • A small quantity of something used as a taster
  • verb
  • To try (e.g. food, drink), to see if you like it

will

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US / wɪl /

UK / wɪl /

A1
  • noun
  • Desire or choice of someone
  • Document saying who gets your money when you die
  • Strong desire to do something; determination
  • Desire to do something; strong wish to do
  • other
  • Used with verbs to express the future
  • verb
  • To leave property to someone after your death
  • To use mental effort to make something happen
  • Am (is, are) likely to do
  • To influence someone to do something
  • To make something happen by strongly wanting it

team

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US / ti:m /

UK / tim /

A1
  • noun
  • Group of people working on a task together
  • Group of people playing a sport together

itself

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US / ɪtˈself /

UK / ɪtˈsɛlf /

A1
  • pronoun
  • Referring to it

has

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US / həz /

UK / hæz /

A1
  • verb
  • Negative form of 'have'
  • To drink, smoke, eat or use something
  • To experience the effects of something
  • To ask, order, or make someone do something
  • To organize an event, or join in an activity
  • To cause to happen or produce a particular effect

always

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US / 'ɔ:lweɪz /

UK / ˈɔlwez,-wɪz,-wiz /

A1
  • adverb
  • For a very long time
  • At all times; in every situation
  • For ever

reason

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US / 'ri:zn /

UK / ˈrizən /

A1
  • noun
  • Ability to think about facts and form a judgment
  • Explanation for why something occurred or was done
  • verb
  • To think and make conclusions in a logical manner

feel

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US / fi:l /

UK / fil /

A1
  • verb
  • To be aware of or experience an emotion, sensation
  • To sense through direct contact; touch

were

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US / wə(r) /

UK / wə: /

A1
  • auxiliary verb
  • The past form of are

used

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US / ju:zd /

UK / juzd /

A1
  • verb
  • To have; to eat, drink, consume etc.
  • To need to operate or work
  • To operate a machine, e.g. a computer
  • To treat a person badly

use

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US / ju:s /

UK / ju:s /

A1
  • noun
  • Ability to employ something
  • Need to enable it to work
  • Permission to do something with something
  • Act of spending money
  • Operation of a machine for its function
  • verb
  • To have; to eat, drink, consume etc.
  • To need to operate or work
  • To operate a machine, e.g. a computer
  • To treat a person badly
  • To do something with, for a task or purpose

sell

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US / sel /

UK / sɛl /

A1
  • verb
  • To exchange something for money
  • To persuade people to do, like or agree

mesh

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US / meʃ /

UK / mɛʃ /

B2
  • noun
  • Crisscrossed wires to allow air/liquid through

actually

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US / ˈæktʃuəli /

UK / ˈæktʃuəli /

A1
  • adverb
  • Used to add new (often different) information

mission

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US / 'mɪʃn /

UK / ˈmɪʃən /

B1
  • noun
  • A task or role someone is given to do
  • Special assignment given to a person or group
  • Group tasked with a specific duty
  • A task given to someone to gain or achieve
  • Religious group wishing to convert others
  • Housing for a religious group working overseas
  • Religious or charitable task in a foreign country

heavily

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US / ˈhevɪli /

UK / hɛvəli /

A2
  • adverb
  • In a slow, loud manner
  • A lot or to a great degree
  • With great effort or force

means

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US / mi:nz /

UK / mi:nz /

A1
  • noun
  • A way of doing something
  • Your income
  • verb
  • To express a particular idea or thought
  • To intend to do something in particular

fungal

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US / ˈfʌŋgl /

UK / ˈfʌŋɡəl /

B2
  • adjecitve
  • Concerning fungi

develop

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US / dɪ'veləp /

UK / dɪˈvɛləp /

A1
  • verb
  • To explain something in steps and in detail
  • To create or think of something
  • To grow bigger, more complex, or more advanced
  • To make a photograph from film

should

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US / ʃʊd /

UK / ʃʊd /

A1
  • other
  • Used to indicate what is proper or reasonable

sort

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US / sɔ:t /

UK / sɔrt /

A1
  • noun
  • Group or class of similar things or people
  • verb
  • To organize things by putting them into groups
  • To deal with things in an organized way

small

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US / smɔ:l /

UK / smɔl /

A1
  • adjecitve
  • Little in size; not big
  • (Of letters) not written in capital letters
  • Being insignificant or minor
  • (Of a business) with few people or things; local
  • (Of voice) being soft and quiet
  • (Of a child) being young

yeast

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US / ji:st /

UK / jist /

B2
  • noun
  • A single-celled fungi used to make bread and beer

gross

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US / ɡrəʊs /

UK / ɡros /

B1
  • adjecitve
  • Nasty; ill-mannered; unappealing
  • noun
  • 144 of something; twelve dozen of something
  • Total sum of money earned before costs and taxes
  • Total weight of something including packaging
  • verb
  • To earn an amount of money before costs and taxes

million

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US / ˈmɪljən /

UK / ˈmɪljən /

A1
  • number
  • 1,000,000

lightweight

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US / ˈlaɪtweɪt /

UK / ˈlaɪtˌwet /

B1
  • adjecitve
  • Weighing less compared to a similar thing

mushroom

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US / ˈmʌʃrʊm /

UK / ˈmʌʃˌrum, -ˌrʊm /

B1
  • noun
  • Short fungus shaped like an umbrella you can eat
  • verb
  • To increase in size or degree suddenly and quickly

expect

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US / ɪk'spekt /

UK / ɪkˈspɛkt /

A1
  • verb
  • To believe something is probably going to happen

functionality

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US / ˌfʌŋkʃəˈnæləti /

UK / ˌfʌŋkʃəˈnælɪti /

A1
  • noun
  • Capable of serving a purpose well

did

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US / dɪd /

UK / dɪd /

A1
  • other
  • Used with another verb to form questions and negative sentences
  • verb
  • To perform, take part in, or achieve something

perception

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US / pəˈsepʃn /

UK / pɚˈsɛpʃən /

B1
  • noun
  • Way in which one sees or understands something

cushion

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US / 'kʊʃn /

UK / ˈkʊʃən /

B1
  • noun
  • Soft object to make a seat more comfortable
  • Something to protect something from being hit
  • verb
  • To protect by softening the impact of something

would

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US / wʊd /

UK / wʊd /

A1
  • other
  • Used to indicate something imagined
  • Used to ask or request something politely
  • Verb used to indicate possibility, request etc.
  • Used to indicate a preference
  • Used to indicate a reaction
  • Indicates something that occurred repeatedly
  • Used to indicate willingness or ability to do

really

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US / ˈri:əli /

UK / ˈriəˌli, ˈrili /

A1
  • adverb
  • Used to stress something that is said; definitely
  • In a true or accurate manner
  • Very

hyphal

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US / /

UK / /

A1
  • adjecitve

structure

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US / ˈstrʌk.tʃə /

UK / ˈstrʌk.tʃɚ /

A2
  • noun
  • The way in which the parts of a system or object are arranged or organized, or a system arranged in
  • verb
  • To plan, organize, or arrange the parts of something

protein

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US / ˈprəʊti:n /

UK / ˈprəʊˌtiːn /

B1
  • noun
  • Group of molecules made from amino acids

mold

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US / məʊld /

UK / mold /

B1
  • noun
  • Distinctive type of character or nature
  • Fungus growing on old food or in wet dark places
  • Container to shape material into a certain form
  • verb
  • To influence a person's character or behavior
  • To form something into a shape

narrator

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US / nəˈreɪtə(r) /

UK / ner.eɪ.tɚ /

B1
  • noun
  • Person or character who tells a story

frustration

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US / frʌ'streɪʃn /

UK / frʌˈstreʃən /

B1
  • noun
  • Annoyance because things don't go the way you want

are

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US / ɑ:(r) /

UK / ɑ:r /

A1
  • auxiliary verb
  • Being

seriously

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US / ˈsɪəriəsli /

UK / ˈsɪriəsli /

B1
  • adverb
  • Involving or requiring great thought or study

raw

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US / rɔ: /

UK / rɔ /

B1
  • adjecitve
  • Being uncontrolled or strong, as your emotions
  • Being inexperienced
  • Being in a natural or unchanged state
  • (Of skin) being red and sore on the surface
  • (Of foods) uncooked

growing

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US / ˈgrəʊɪŋ /

UK / ˈɡroɪŋ /

A1
  • adjecitve
  • Developing, maturing
  • noun
  • Act of cultivating plants for food
  • verb
  • To get bigger and more mature; make plants do this
  • To improve; to develop better skills over time
  • To develop and become bigger or taller over time

can

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US / kæn /

UK / kən,kæn /

A1
  • noun
  • A metal container for storing food
  • other
  • Able to; have the skill to; have the time to
  • verb
  • To have permission to
  • To be possible to do
  • To preserve food by sealing it in a metal container

sold

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US / səʊld /

UK / soʊld /

A1
  • verb
  • To exchange something for money
  • To persuade people to do, like or agree

creature

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US / ˈkri:tʃə(r) /

UK / ˈkritʃɚ /

A2
  • noun
  • Animal of any type

challenging

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US / ˈtʃælɪndʒɪŋ /

UK / ˈtʃæləndʒɪŋ /

A2
  • adjecitve
  • Difficult to do
  • verb
  • To formally invite someone to compete at something
  • To question the correctness of something

whole

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US / həul /

UK / hol /

A1
  • adjecitve
  • Complete or full; all of
  • Being in a good condition
  • noun
  • Complete amount or sum; total

not

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US / nɒt /

UK / nɑt /

A1
  • adverb
  • Word indicating the negative
  • (Used to form the negative of verbs)

quite

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US / kwaɪt /

UK / kwaɪt /

A1
  • adverb
  • Not very; fairly
  • Very; In a complete or total manner

food

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US / fu:d /

UK / fud /

A1
  • noun
  • What people and animals eat to live
  • Things taken in by plants to maintain life
  • A particular style or type of cooking, e.g. Asian

was

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US / wɒz /

UK / wʌz, wɑz,wəz /

A1
  • auxiliary verb
  • The past form of is

plain

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US / pleɪn /

UK / plen /

A1
  • adjecitve
  • Obvious; clearly so, true
  • Very simple, ordinary; not decorated; not striped
  • noun
  • Wide open area of flat, dry land

grew

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US / ɡru: /

UK / ɡru /

A1
  • verb
  • To get bigger and more mature; make plants do this
  • To improve; to develop better skills over time
  • To develop and become bigger or taller over time

good

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US / ɡʊd /

UK / ɡʊd /

A1
  • adjecitve
  • Proper, appropriate or right
  • (Of an amount) enough; plenty
  • Excellent; high quality
  • Acting well or properly; of moral character
  • In a positive or happy emotional state
  • noun
  • Advantage or benefit

but

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US / bət /

UK / bʌt,bət /

A1
  • conjunction
  • Used before you say something different, opposite

chemical

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US / ˈkemɪkl /

UK / ˈkɛmɪkəl /

A2
  • adjecitve
  • Made of various elements
  • noun
  • Basic substance produced by mixing elements

fungus

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US / ˈfʌŋgəs /

UK / ˈfʌŋɡəs /

B2
  • other
  • Plant, e.g. mushroom/mold, growing in damp places

stretch

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US / stretʃ /

UK / strɛtʃ /

A2
  • noun
  • Making arm, leg muscles longer to ease them
  • A consecutive row of things
  • A period of time
  • verb
  • To make your arm, leg muscles long to ease them
  • To make something bigger by pulling on it

the

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US / ðə /

UK / ðə /

A1
  • article
  • Used to refer to something already mentioned
  • Used to show there is only one of something
  • determiner
  • Used to describe all of a family

researcher

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US / rɪ'sɜ:tʃə(r) /

UK / rɪˈsətʃɚ /

A2
  • noun
  • Someone who works to find new facts and ideas

might

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US / maɪt /

UK / maɪt /

A1
  • other
  • Used to politely request an action
  • Used to express that something could happen
  • Power, strength, force or influence

material

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US / məˈtɪəriəl /

UK / məˈtɪriəl /

A2
  • adjecitve
  • Relevant; (of evidence) important or significant
  • Belonging to the world of physical things
  • noun
  • Cloth; fabric
  • Supplies or data needed to do a certain thing
  • Substance from which a thing is made of

natural

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US / ˈnætʃərəl /

UK / ˈnætʃərəl, ˈnætʃrəl /

A1
  • adjecitve
  • Being as one would expect; being usual or normal
  • Not made by humans; without human intervention

headphones

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US / ˈhedfəʊnz /

UK / ˈhedfoʊnz /

B2
  • other
  • Device put over the ears to listen to recordings

little

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US / 'lɪtl /

UK / ˈlɪtl /

A1
  • adjecitve
  • Being short in length of time
  • Not great in size, amount, or degree; small
  • Being very young or younger than others
  • adverb
  • By an amount or degree that is not very much
  • Not often; rarely
  • noun
  • A person's name

grown

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US / grəʊn /

UK / groʊn /

A1
  • verb
  • To get bigger and more mature; make plants do this
  • To improve; to develop better skills over time
  • To develop and become bigger or taller over time

big

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US / bɪɡ /

UK / bɪɡ /

A1
  • adjecitve
  • Popular
  • Serious
  • Large

surface

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US / 'sɜ:fɪs /

UK / ˈsɚfəs /

A2
  • adjecitve
  • Of the top layer; not deep or meaningful
  • noun
  • Top layer of the ground or of water
  • Nature or emotions that show, but may not be true
  • Outside or upper layer of something
  • verb
  • To give (road) a top layer
  • To appear after being hidden, unseen, or unknown
  • To come to the top of something; emerge
  • To come to the top level of water, mud, etc.

you

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US / jʊ /

UK / ju /

A1
  • pronoun
  • Person someone is speaking or writing to
  • Person or people in general

kind

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US / kaɪnd /

UK / kaɪnd /

A1
  • adjecitve
  • In a caring and helpful manner
  • friendly and considerate
  • noun
  • One type of thing

how

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US / haʊ /

UK / haʊ /

A1
  • adjecitve
  • To what degree? in what amount?
  • adverb
  • (Used to explain the way to do something)
  • exclamation
  • For what purpose or reason?
  • (Used to ask someone or something's condition)

also

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US / 'ɔ:lsəʊ /

UK / ˈɔlso /

A1
  • adverb
  • In addition; too; in a similar way

turn

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US / tɜ:n /

UK / tɚn /

A1
  • noun
  • Place where changing of direction happens
  • Your time or chance to perform a duty
  • Your chance to play or do in say a game
  • Unexpected change, as in the weather
  • verb
  • To become (a particular age)
  • To become a different quality, color, etc.
  • To change the direction of something, e.g. a car
  • To move in an opposite direction or position
  • To shape metal with a spinning tool

root

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US / ru:t /

UK / rut, rʊt /

A2
  • noun
  • Emotional connection with a place, history etc.
  • The origin or starting place of something
  • A number that is multiplied by itself
  • Part of plant growing underground, as to get water
  • Part of tooth, hair etc. from which the rest grows
  • Base part of a word to which affixes can be added
  • verb
  • To cause a plant to develop or grow roots
  • (Animals) to search for e.g. food in earth
  • To stop someone moving, as through fear

one

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US / wʌn /

UK / wʌn /

A1
  • pronoun
  • You; we; people in general; someone
  • The thing or person previously referred to
  • adjecitve
  • Used to refer to people generally
  • Being a strong example of (something mentioned)
  • number
  • Number 1

other

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US / 'ʌðə(r) /

UK / ˈʌðər /

A1
  • adjecitve
  • A thing different from that mentioned
  • determiner
  • (Something) else; not the first (one)
  • pronoun
  • Being the one and only thing of that category

into

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US / 'ɪntə /

UK / ˈɪntu /

A1
  • preposition
  • Moving or going inside something
  • In the same direction as; in the direction of
  • So as to become; taking the state of

spin

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US / spɪn /

UK / spɪn /

B1
  • noun
  • A dizzy feeling your head is turning around
  • A slant or hidden purpose, as in politicians' talk
  • A movement in a rapid turning motion
  • verb
  • To make a ball rotate when throwing it
  • To feel dizzy/confused, as in my head is spinning
  • To convert material such as cotton into thread
  • To move something in a rapid turning motion

this

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US / ðɪs /

UK / ðɪs /

A1
  • adjecitve
  • Used to indicate something already been discussed
  • Used to indicate something happening around now
  • adverb
  • An indication by a physical motion or gesture
  • A specific amount of
  • determiner
  • Person, thing, or idea near you
  • pronoun
  • Person, thing that has already been discussed

synthetic

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US / sɪnˈθetɪk /

UK / sɪnˈθɛtɪk /

B2
  • adjecitve
  • Not natural; made from artificial materials

inner

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US / ˈɪnə(r) /

UK / ˈɪnɚ /

A1
  • adjecitve
  • Concerning the inside part of something

make

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US / meɪk /

UK / mek /

A1
  • noun
  • Product made by a particular company; brand
  • verb
  • To arrange or prepare something e.g. dinner
  • To get to (a place) on time
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

cushioned

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US / ˈkʊʃnd /

UK / ˈkʊʃnd /

B1
  • verb
  • To protect by softening the impact of something
  • Subtitles section
  • These might be the most groundbreaking headphones of all time.
  • But not for the reasons you might expect.
  • We're not talking about audio capabilities or Bluetooth functionality, but rather what they're made of.
  • Fungus, bacteria, and yeast.
  • It turns out, mushrooms and a whole lot of other microbes can produce materials that rival plastics and even leather.
  • And there is a team of scientists and designers in Finland doing just that.
  • So, how did they take such unusual materials and turn them into something that could seriously shake up the world of product design?
  • Nina Pulkkis: The Korvaa project started actually with frustration.
  • Narrator: That's Nina Pulkkis.
  • She's the one who started Korvaa, this whole headphone project.
  • Pulkkis: I was filming for a documentary about microbes and synthetic biology.
  • But I was really frustrated because I didn't have very good samples of what you can actually do with microbes.
  • Narrator: So she set out on a mission to see what could be made with them.
  • She gathered a team of scientists, researchers, and designers to make it happen.
  • Pulkkis: So, first of all, we started to think, what kind of a product should we make.
  • Géza Szilvay: There was an idea about making a pair of headphones.
  • Narrator: Headphones worked for a couple of reasons.
  • First, they are an instantly recognizable product.
  • Everyone has them.
  • Second, they require lots of leathers and different kinds of plastics, and those aren't always sustainable materials.
  • That's because oil and natural gas are two of the main raw materials used to make plastics.
  • And in 2017, 368 million headphones were sold worldwide, a number that's expected to keep growing.
  • That means a ton of plastic, leather, and synthetic leathers, materials that rely heavily on nonrenewable, nonbiodegradable resources.
  • Korvaa's process is a little different.
  • To start out, the headband is made of bioplastic.
  • To make that bioplastic, the team uses plain old baker's yeast.
  • Through chemical processes, they turn that yeast into a bioplastic substance.
  • That substance gets 3D-printed and hardened.
  • Next, the cushioned ear cups.
  • These are made from fungal proteins and other plant-based materials grown in the lab.
  • Those materials get injected right into this mold.
  • And when they're dry, they look and feel just like foam.
  • Szilvay: Then the ear-cup covers are made from fungal, leatherlike material.
  • It's made of mycelium.
  • One could think of it as root structure of mushrooms.
  • Merja Penttilä: Fungi grow in so-called hyphal filamentous forms, so they form long, long stretches.
  • So the material, in a way, grows itself.
  • Narrator: And those long stretches of roots will take the shape of whatever you encourage them to.
  • The result?
  • Something similar to leather.
  • To make the inner mesh part, the team created synthetic spider silk.
  • Spider silk is superstrong, lightweight, and elastic.
  • But spiders can't spin enough of it.
  • So they make silk in the lab, without harming any eight-legged creatures.
  • By electro-spinning that silky material onto a flat surface, they create a mesh material.
  • Then, all those parts get pieced together to form a one-of-a-kind headset.
  • Manuel Arias Barrantes: I think people have this perception that fungi is something, like, dangerous or, like, gross, because it grows on food also, that it's rotten.
  • But I think this is slowly changing as more designers and companies are developing materials from natural sources.
  • Saku Sysiö: For a lot of the materials, we didn't know how to use them and how to make them work in this project.
  • So that made it quite challenging and interesting.
  • Pulkkis: So it's really exciting to see how this kind of small project grew into something really much, much bigger just by teaming up all kinds of different people with different competencies and completely different backgrounds.
  • Narrator: That team plans to commercialize these unique materials so they can be used in all sorts of products.
  • Would you wear these fungus headphones?