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attack

US / ə'tæk /

•

UK / əˈtæk /

A2

noun
Act intended to hurt someone physically, mentally
verb
To try to destroy, beat, or injure

glucose

US / 'ɡlu:kəʊs /

•

UK / ˈɡluˌkos /

C1

noun
Natural type of sugar found in fruits and plants

area

US / 'eərɪə /

•

UK / ˈɛriə /

A1

noun
Amount of measured space
A specific section or space; part of a region
A subject or field of study

feel

US / fi:l /

•

UK / fil /

A1

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

healthy

US / ˈhelθi /

•

UK / ˈhɛlθi /

A1

adjecitve
In good condition physically, or financially; well

normal

US / 'nɔ:ml /

•

UK / ˈnɔrməl /

A1

adjecitve
Standard or regular way of doing something
Having standard mental or physical ability, health

here

US / hɪə(r) /

•

UK / hɪr /

A1

adverb
In this place; at this location, position or time

production

US / prəˈdʌkʃn /

•

UK / prəˈdʌkʃən, pro- /

A2

noun
Process of producing or growing food naturally
Process of making something on a large scale
Process of making a movie or TV show

continue

US / kən'tɪnju: /

•

UK / kənˈtɪnju /

A1

verb
To do something without stopping, or after pausing
To start doing again after a break, pause, or stop

balance

US / ˈbæləns /

•

UK / ˈbæləns /

A2

noun
Instrument for weighing things
Being stable; having equal weight on both sides
Money remaining after paying costs
verb
To be steady by having equal weight on both sides
To make two or more things equal

medical

US / ˈmedɪkl /

•

UK / ˈmɛdɪkəl /

A2

adjecitve
Of or relating to physical health or medicine
noun
A health check or test

shallow

US / 'ʃæləʊ /

•

UK / ˈʃælo /

B1

adjecitve
Not deep; short from top to bottom
Lacking interest in serious things; superficial

sinus

US / ˈsaɪnəs /

•

UK / ˈsaɪnəs /

C1

noun
Space in the skull that connects with the nostrils

syndrome

US / 'sɪndrəʊm /

•

UK / ˈsɪnˌdrom /

B1

noun
A group of signs and symptoms of a disease

flow

US / fləʊ /

•

UK / flo /

A2

noun
Amount of something that moves through an area
verb
To move steadily and easily in a certain direction

population

US / ˌpɒpjuˈleɪʃn /

•

UK / ˌpɑpjəˈleʃən /

A2

noun
Number of people who live in a country, area etc.

bowel

US / ˈbaʊəl /

•

UK / ˈbaʊəl, baʊl /

B1

noun
End part of the intestine, connected to the anus

day

US / deɪ /

•

UK / de /

A1

noun
A period of 24 hours beginning at midnight
The period of time when it is light outside
Person's name

develop

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

mediator

US / ˈmi:dieɪtə(r) /

•

UK / ˈmidiˌetɚ /

B2

noun
Person helping others to reach an agreement

regulate

US / ˈregjuleɪt /

•

UK / ˈrɛɡjəˌlet /

A2

verb
To control something with rules or laws
To set/adjust (a clock, etc.); restrict motion in

will

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

bloodstream

US / ˈblʌdstri:m /

•

UK / ˈblʌdˌstrim /

C2

noun
Blood flowing through the circulatory system

insulin

US / ˈɪnsjəlɪn /

•

UK / ˈɪnsəlɪn /

B2

noun
Substance in the body processing sugar into energy

blood

US / blʌd /

•

UK / blʌd /

A2

adjecitve
Related by birth; family
noun
Red liquid in the bodies of people and animals
verb
To be initiated into something, e.g. a secret club

mouth

US / maʊθ /

•

UK / maʊθ /

A1

noun
Hole in the face used for eating and talking
Opening of a container such as a bottle
Area where a river enters a large body of water
verb
To say words without speaking

protect

US / prə'tekt /

•

UK / prəˈtɛkt /

A1

verb
To defend someone or something from harm or danger

cavity

US / ˈkævəti /

•

UK / ˈkævɪti /

B2

noun
Hole or empty space, especially in a tooth
Hole in a tooth

challenge

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

increase

US / ɪn'kri:s /

•

UK / ɪnˈkris /

A1

noun
Fact of increasing; amount something grows by
verb
To make or become larger in size or amount

have

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

exercise

US / 'eksəsaɪz /

•

UK / ˈɛksɚˌsaɪz /

A2

noun
Physical activity to increase health and strength
Set of questions in a text book
verb
To work out to become stronger and healthier
To retain your ability or practice your skills

lung

US / lʌŋ /

•

UK / lʌŋ /

B1

noun
One of the two organs we use to breathe

part

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

accelerate

US / əkˈseləreɪt /

•

UK / ækˈsɛləˌret /

B1

verb
To cause to occur earlier than expected
To increase the speed or rate of something

circulation

US / ˌsɜ:kjəˈleɪʃn /

•

UK / ˌsɚkjəˈleʃən /

B1

noun
Movement of blood through the body
Repeatedly passing items from one person to others

muscle

US / 'mʌsl /

•

UK / ˈmʌsəl /

A2

noun
Physical power
Body tissue that moves parts of the body
verb
To use or muscles of force to get what you want

percent

US / pə'sent /

•

UK / pɚˈsɛnt /

A2

adverb
One one-hundredth of a whole; the symbol %

with

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

see

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)

tract

US / trækt /

•

UK / trækt /

B2

noun
A large stretch of land
System of internal body parts, e.g. the intestines
Piece of writing that communicates a certain view

release

US / rɪ'li:s /

•

UK / rɪ'li:s /

A2

noun
Act of freeing someone from a duty or burden
Introduction of a new product, film, book, etc.
Relief from sadness, suffering or trouble
Act of freeing from a jail, cage, prison, etc.
verb
To free someone from a responsibility or burden
To allow a film, music etc. to be sold/distributed
To allow to leave a jail, cage, etc.; let out
To let go of something you are holding

keep

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

come

US / kʌm /

•

UK / kʌm /

A1

verb
To arrive at a place
(Of mail) to be delivered
To move toward someone; go with someone
To reach a certain point or state

help

US / help /

•

UK / hɛlp /

A1

noun
Something given to enable a person to do something
Assistance given to someone in need
Someone who makes something easier or possible
verb
To act to enable a person to do something; assist
To make something better or less difficult

congest

US / kənˈdʒest /

•

UK / kənˈdʒest /

B2

verb
To be or become very crowded

nasal

US / ˈneɪzl /

•

UK / ˈnezəl /

C2

adjecitve
Concerning, used for, or relating to the nose
Of a speech sound produced through the nose
noun
Sound in speech that is produced through the nose

issue

US / 'ɪʃu: /

•

UK / ˈɪʃu /

A2

noun
Important topic discussed, debated or argued over
Single edition of a magazine
verb
To make something available to be used or sold
To deliver a statement, etc. in an official manner

region

US / 'ri:dʒən /

•

UK / ˈridʒən /

A2

noun
Part of a country, of the world, area, etc.

from

US / frəm /

•

UK / frʌm, frɑm,frəm /

A1

preposition
Starting at a particular place, time or level

digestive

US / daɪˈdʒestɪv /

•

UK / daɪˈdʒɛstɪv, dɪ- /

B2

adjecitve
Concerning processes of converting food to energy

share

US / ʃeə(r) /

•

UK / ʃɛr /

A2

noun
Part-ownership in a property, business or company
Part of a company you own, shown by a certificate
verb
To divide something between two or more people
To allow others to use your things equally
To give information, etc. to someone

enzyme

US / ˈenzaɪm /

•

UK / ˈɛnzaɪm /

B2

noun
A protein made by cells

direct

US / də'rekt /

•

UK / dɪˈrɛkt, daɪ- /

A2

adverb
Coming straight from something
verb
To tell someone in a very clear way to do something
To show the way by conducting or leading
To control the acting in a movie or play

most

US / məʊst /

•

UK / most /

A1

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

majority

US / mə'dʒɒrətɪ /

•

UK / məˈdʒɔrɪti, -ˈdʒɑr- /

B1

noun
Amount that is more than half of a group

throughout

US / θru:ˈaʊt /

•

UK / θruˈaʊt /

A2

adverb
From the beginning of something until the end
preposition
Over/across an entire place/thing; in every part

and

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

back

US / bæk /

•

UK / bæk /

A1

adjecitve
Farthest from the front e.g. in a classroom
adverb
Have returned to a place you were before
noun
The part of a chair that the upper body leans upon
Location at the rear of something
The reverse of side something
Area on the rear of your body
verb
To bet money on something
To go backwards in a car
To support and encourage someone or some cause

sugar

US / ˈʃʊgə(r) /

•

UK / ˈʃʊɡɚ /

A2

noun
Substance which the body stores or uses for energy
Amount of sugar contained in a small spoon
Used to address someone you like or love
White sweet substance used to make foods sweeter
verb
To add, put on, or mix a food or drink with sugar

erectile

US / ɪˈrektaɪl /

•

UK / ɪˈrɛktəl, -ˌtaɪl /

C2

adjecitve
Able to achieve an erection

leave

US / li:v /

•

UK / liv /

A1

noun
Permission to do something
Vacation time; time off work
verb
To go away from; depart
To gift property to someone after you die
To allow something to continue happening
To let something remain unused or available
To let something or someone remain somewhere

but

US / bət /

•

UK / bʌt,bət /

A1

conjunction
Used before you say something different, opposite

give

US / ɡɪv /

•

UK / ɡɪv /

A1

noun
Degree of flexibility in something, a material
verb
To hand over or present something to someone
To cause someone to have or experience something

research

US / rɪ'sɜ:tʃ /

•

UK / rɪˈsɚtʃ, ˈriˌsɚtʃ /

A2

noun
Study done to discover new ideas and facts
Work done to find or discover knowledge
verb
To study in order to discover new ideas and facts

please

US / pli:z /

•

UK / pliz /

A1

adverb
Used when you politely ask people for things
verb
To entertain someone, by dancing, singing etc.
To make someone happy by doing something

pick

US / pɪk /

•

UK / pɪk /

A1

noun
Sharp tool used for breaking the ground
Item selected from a group of choices
verb
To take fruit or vegetables from a plant or tree
To decide on a thing from various choices; select
To remove (flower, etc.) with your fingers

would

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

effect

US / ɪ'fekt /

•

UK / ɪˈfɛkt /

A1

noun
An advantage, benefit
Change brought about by a cause; result

support

US / səˈpɔ:t /

•

UK / səˈpɔrt, -ˈport /

A1

noun
Assistance or advice given to someone
Evidence that helps prove something is true
A thing to hold up or prevent from falling down
verb
To give assistance or advice to someone
To help prove or show that something is true
To hold up or prevent from falling down

viscosity

US / vɪ'skɒsətɪ /

•

UK / vɪˈskɑsɪti /

C1

noun
Quality of how thick, thin, and sticky a liquid is

wide

US / waɪd /

•

UK / waɪd /

A1

adjecitve
Having a great distance from one side to the other
adverb
Fully; completely

arterial

US / ɑ:'tɪərɪəl /

•

UK / ɑrˈtɪriəl /

B2

adjecitve
Concerning, involving or contained in the arteries

our

US / 'aʊə(r) /

•

UK / aʊr /

A1

determiner
Belonging to us

powerful

US / ˈpauəful /

•

UK / ˈpaʊəfəl /

A2

adjecitve
Having control or influence over
Having a lot of physical force, energy, strength

become

US / bɪ'kʌm /

•

UK / bɪˈkʌm /

A1

verb
To begin to be; grow to be; develop into
To be suitable for a particular job or role

disease

US / dɪˈzi:z /

•

UK / dɪˈziz /

A2

noun
Illness that affects a person, animal, or plant

prevent

US / prɪ'vent /

•

UK / prɪˈvɛnt /

A2

verb
To stop something from happening or existing

role

US / rəʊl /

•

UK / rol /

A2

noun
Character played by an actor
Part you play in an activity; job; responsibility

breathe

US / bri:ð /

•

UK / brið /

A2

verb
To move air into and out of your lungs
To say something very softly
To stop moving so one can rest

deliver

US / dɪ'lɪvə(r) /

•

UK / dɪˈlɪvɚ /

A2

verb
To give birth to a child; help a woman give birth
To save someone from a problem or crisis
To keep a promise; do what you say you would
To present something to a group, as a speech
To take something to a person or place

can

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

vasodilator

US / ˌvæsəʊdaɪ'leɪtə /

•

UK / ˌvæsoʊdaɪ'leɪtə /

A1

noun
Drug that causes dilation of blood vessels

against

US / əˈgenst /

•

UK / əˈɡenst /

A1

preposition
In physical contact with, as for support; next to
In opposition to; disagreeing with

friend

US / frend /

•

UK / frɛnd /

A1

noun
Person who you like and enjoy being with

now

US / naʊ /

•

UK / naʊ /

A1

adverb
At the present time or moment
Right away or in the next possible moment
Used to refer to something that just happened
Time between the present and a moment in the past
conjunction
Resulting from or because of something

substantial

US / səbˈstænʃl /

•

UK / səbˈstænʃəl /

C2

adjecitve
(Of a meal) able to satisfy your hunger; filling
Being large in degree, quantity, or size
Being strongly and firmly made or built

cardiovascular

US / ˌkɑ:diəʊˈvæskjələ(r) /

•

UK / ˌkɑrdioˈvæskjəlɚ /

A1

adjecitve
Concerning the heart and vessels of the body

mitochondrion

US / ˌmaɪtəʊˈkɒndriən /

•

UK / ˌmaɪtoʊˈkɑːndriən /

A1

noun
Organelle containing enzymes responsible for producing energy

neuron

US / ˈnʊərˌɔn, ˈnjʊər- /

•

UK / ˈnʊrˌɑn, ˈnjʊr- /

B2

noun
A nerve cell

video

US / 'vɪdɪəʊ /

•

UK / ˈvɪdiˌo /

A2

adjecitve
Of a moving film, with sound
noun
Recording capturing action with sound
verb
To make a moving film of, with sound

activity

US / æk'tɪvətɪ /

•

UK / ækˈtɪvɪti /

A1

noun
An action or task, e.g. sports, washing clothes

bring

US / brɪŋ /

•

UK / brɪŋ /

A1

verb
To take or go with someone to a place

take

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

tie

US / taɪ /

•

UK / taɪ /

A2

noun
Item, such as string or wire, used to join things
Strong connection between people, countries
When both sides in a game, vote get same score
One match or game that is part of a bigger contest
Something that lessens a person's freedom
Thin piece of cloth worn round neck of shirt
Piece of wood/metal used to stop something moving
verb
To attach things (together) with a string or rope
To end a game, contest or vote with the same score
To require someone to be in a specific place

red

US / red /

•

UK / rɛd /

A1

adjecitve
Being the color of blood

all

US / ɔ:l /

•

UK / ɔl /

A1

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

common

US / 'kɒmən /

•

UK / ˈkɑmən /

A1

adjecitve
Shared; Belonging to or used by everyone
Typical, normal; not unusual
noun
Area in a city or town that is open to everyone
Field near a village owned by the local community

produce

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

prove

US / pru:v /

•

UK / pruv /

A2

verb
To demonstrate truth by providing evidence

work

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

they

US / ðeɪ /

•

UK / ðe /

A1

pronoun
Two or more people, animals, or things

pressure

US / 'preʃə(r) /

•

UK / ˈprɛʃɚ /

A2

noun
Anxiety caused by difficult problems
Force, weight when pressing against a thing
Strong persuasion to do something
verb
To apply force to something
To persuade or force someone to do something

result

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

simple

US / 'sɪmpl /

•

UK / ˈsɪmpəl /

A1

adjecitve
Not hard to understand or do; not complex
Having only a few parts; not complex
Being ordinary or normal
Being plain; without a lot added for style

travel

US / ˈtrævl /

•

UK / ˈtrævəl /

A1

noun
Going to other places, esp. distant places
verb
To go to a place that is far away

virus

US / 'vaɪrəs /

•

UK / ˈvaɪrəs /

B1

noun
File secretly put on computers to cause harm
Living organism that causes disease or sickness

bronchiole

US / ˈbrɒŋkiəʊl /

•

UK / /

A1

other
Any of the smallest bronchial ducts; ending in alveoli

heart

US / hɑ:t /

•

UK / hɑrt /

A1

noun
A feeling of care for others; compassion
Courage, confidence, and emotional strength
Be cheerfully encouraging
Most essential, important, or central part
Referring to a promise or something important
State or feelings of affection or deep love
Core part of a vegetable, e.g. a lettuce
The part of the body that pumps blood
Place where emotions are believed to be felt
A shape that represents love

nose

US / nəʊz /

•

UK / noʊz /

A1

noun
Part of the face used for breathing and smelling
Front, pointed end of e.g. airplane or rocket
verb
To push with your face so you can smell something

lour

US / ˈlaʊə(r) /

•

UK / ˈlaʊər /

A1

verb
To set lower

way

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

asset

US / 'æset /

•

UK / ˈæsˌɛt /

A2

noun
Thing that has value to you

those

US / ðəʊz /

•

UK / ðoz /

A1

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

amount

US / ə'maʊnt /

•

UK / əˈmaʊnt /

A1

noun
Quantity of something
verb
To add up to a certain figure

amazing

US / ə'meɪzɪŋ /

•

UK / ə'meɪzɪŋ /

A2

adjecitve
Surprising in a pleasing way
verb
To cause wonder; to surprise completely

relax

US / rɪˈlæks /

•

UK / rɪˈlæks /

A1

verb
To calm or quiet yourself, or stop worrying
To release the tightness in muscles
To make a rule or law less strict

start

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

well

US / wel /

•

UK / wɛl /

A1

adjecitve
Being in a fortunate, good condition or state
Healthy and in good condition
adverb
In an acceptable, proper, or successful manner
In a complete, total, or full manner
A great and considerable degree
In a successful way, in a good or satisfactory way
exclamation
Used to begin or continue a particular statement
Used to show you want to start saying something
Used to express that you are waiting for a reply
You say this to change the topic of a conversation
Used to indicate you are making a final remark
noun
Long deep hole in the ground to get water
verb
To cause your eyes to fill with tears

within

US / wɪˈðɪn /

•

UK / wɪðˈɪn, wɪθ- /

A1

adverb
Inside the limits of an area, time or range
preposition
From the inside of something

for

US / fə(r) /

•

UK / fɔr,fə /

A1

preposition
Used to show the purpose, or need of something

why

US / waɪ /

•

UK / hwaɪ, waɪ /

A1

adverb
Question word to ask for a reason
exclamation
(Used to express surprise or approval)

through

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

bronchus

US / ˈbrɒŋkəs /

•

UK / ˈbrɑːŋkəs /

A1

noun
Either of the two main branches of the trachea

just

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)

line

US / laɪn /

•

UK / laɪn /

A1

noun
Border that divides two places or regions
Long crease in the skin, often from age
Mark that is long, straight and very thin
Row of words, letters or numbers that are written
Telephone connection
People waiting one behind the other; queue
Long thin wire, e.g. for electrical signal
verb
To put material along the inside of something

stroke

US / strəʊk /

•

UK / strok /

B1

noun
When blood cannot get to brain, causing damage
Mark made by a pen, pencil or brush
One movement of oars on a boat
verb
To rub your hand in a caring way on something

much

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

system

US / 'sɪstəm /

•

UK / ˈsɪstəm /

A1

adjecitve
Working in an organized, logical way
noun
Set of organized, planned ideas that work together

nutrient

US / ˈnju:triənt /

•

UK / ˈnutriənt /

B1

noun
A chemical living things needs to be healthy

cell

US / sel /

•

UK / sɛl /

A2

noun
Smallest unit of living things in biology
Group of people - often from a secret organization
Prisoner's room in a jail
Shortened form of 'cellphone'

energy

US / 'enədʒɪ /

•

UK / ˈɛnədʒi /

A2

noun
Physical or mental strength

find

US / faɪnd /

•

UK / faɪnd /

A1

noun
Object discovered by chance
Things that have been discovered from searching
verb
To become aware of something that is happening
To discover or meet by chance
To decide if someone is guilty of a crime, or not
To learn through study, research, or effort
To discover something by looking for it

expand

US / ɪk'spænd /

•

UK / ɪkˈspænd /

A2

verb
To make something larger in size, number, amount

great

US / ɡreɪt /

•

UK / ɡret /

A1

adjecitve
Very large in size
Very important
Very good; fantastic; wonderful
adverb
Very good; better than before
noun
Successful and well-admired person

nitric

US / ˈnaɪtrɪk /

•

UK / ˈnaɪtrɪk /

A1

adjecitve
Relating to or containing nitrogen, especially in a valence state higher than that in a comparable n

mean

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

oxygen

US / 'ɒksɪdʒən /

•

UK / ˈɑksɪdʒən /

B1

noun
A gas in the air that we need to breathe

parasite

US / 'pærəsaɪt /

•

UK / ˈpærəˌsaɪt /

B2

noun
Small animal or plant living off a bigger one
One who depends on someone else, without working

sensitive

US / 'sensətɪv /

•

UK / ˈsɛnsɪtɪv /

A2

adjecitve
Taking offense easily; easily upset or hurt
(Private information) needing careful treatment
Concerning awareness of small differences
Able to recognize the feelings of others
Responsive to physical touch
Becoming unstable

type

US / taɪp /

•

UK / taɪp /

A1

noun
Printed letters or blocks used for printing them
Group of things or people sharing common features
verb
To identify something belonging to a group
To write by touching keys on a keyboard

get

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

first

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

particularly

US / pəˈtikjuləli /

•

UK / pɚˈtɪkjələli, pəˈtɪk- /

A2

adverb
Specially; more than others

comment

US / 'kɒment /

•

UK / ˈkɑmɛnt /

A2

noun
Something you say, giving an opinion; remark
verb
To say something that gives your opinion

down

US / daʊn /

•

UK / daʊn /

A1

adjecitve
Being sad, sick, or unhappy
Not operating, working, or functioning as expected
adverb
In a sitting or lying position
Towards or on the ground, floor, or bottom
Written or copied onto a piece of paper or book
noun
A period of play in American Football
The soft, smooth hairs that cover a bird's body
preposition
Along something's path, course, or direction
Going from a higher position to a lower position
verb
To eat or drink very quickly and without stopping

family

US / 'fæməlɪ /

•

UK / ˈfæmli /

A1

noun
Close group of people or organizations
A group of people who are related through blood
Group of related plants or animals

include

US / ɪnˈklu:d /

•

UK / ɪnˈklud /

A1

verb
To make someone, something part of a group

even

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

what

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

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’

excite

US / ɪk'saɪt /

•

UK / ɪkˈsaɪt /

A2

verb
To make something or someone become more active
To make someone feel happy, interested or eager

normalize

US / ˈnɔ:məlaɪz /

•

UK / ˈnɔ:rməlaɪz /

B2

verb
To make something normal or regular

resistance

US / rɪ'zɪstəns /

•

UK / rɪˈzɪstəns /

A2

noun
Force that stops or slows movement of something
Refusal to accept something new or different

irritable

US / ˈɪrɪtəbl /

•

UK / ˈɪrɪtəbəl /

B2

adjecitve
Annoyed; easily annoyed or angered

stay

US / steɪ /

•

UK / ste /

A1

noun
Legal order to stop or delay an action
Strong rope or wire that supports a ship's mast
Period of time spent living in or visiting a place
verb
To keep trying without giving up
To remain in the same place and not move away
To spend time visiting a place or someone's home

body

US / ˈbɒd.i /

•

UK / ˈbɑdi /

A1

noun
An object distinct from other objects
A group of people involved in an activity together
Main part of something
A person's physical self

below

US / bɪ'ləʊ /

•

UK / bɪˈlo /

A1

preposition
In a lower position, place, or level

inner

US / ˈɪnə(r) /

•

UK / ˈɪnɚ /

A1

adjecitve
Concerning the inside part of something

make

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

immune

US / ɪˈmju:n /

•

UK / ɪˈmjoon /

B1

adjecitve
Having a special protection from, e.g. the law

little

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

might

US / maɪt /

•

UK / maɪt /

A1

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

the

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

play

US / pleɪ /

•

UK / pleɪ /

A1

noun
Loose, free movement between two objects
Single action in a sports game
Performance in which people act in a theater
verb
To act as a character in a movie, or on stage
To perform music on an instrument
To use a device, e.g. a video game
To do something for enjoyment and fun
To do or perform a game or sport

oxide

US / ˈɒksaɪd /

•

UK / ˈɑ:ksaɪd /

B2

noun
Compound from combining oxygen with a chemical

tremendous

US / trəˈmendəs /

•

UK / trɪˈmɛndəs /

B1

adjecitve
Very good or very impressive

this

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

heal

US / hi:l /

•

UK / hi:l /

B1

verb
To recover from or forget a bad experience
To make or become healthy or well again

less

US / les /

•

UK / lɛs /

A1

adjecitve
Smaller in amount or degree
adverb
To a smaller degree
noun
A smaller amount
preposition
With the subtraction of

into

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

other

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

one

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

open

US / 'əʊpən /

•

UK / ˈopən /

A1

adjecitve
Available for use; accessible
Not being hidden; available for others to see
Being available for customers to enter or use
Allowing everyone to use or take part in
Not secret anymore
Not closed or shut
Willing to accept new ideas and thoughts
noun
Name for a tennis or golf competition
verb
To make accessible or able to be used, e.g. road
To start the activities or services of a business
To make a space or hole appear in something
To move or change so that it is no longer closed
To start something, e.g. a new business

stress

US / stres /

•

UK / strɛs /

A2

noun
Emphasis on part of a word or sentence
Pressure on something or someone
A state of mental tension, worry due to problems
verb
To emphasize one or more parts of a word, sentence
To put pressure on something or someone
To say your opinion strongly
To be in a state of mental tension due to problems

also

US / 'ɔ:lsəʊ /

•

UK / ˈɔlso /

A1

adverb
In addition; too; in a similar way

you

US / jʊ /

•

UK / ju /

A1

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

therefore

US / ˈðeəfɔ:(r) /

•

UK / ˈðerfɔ:(r) /

A1

adverb
And so; for that reason

deep

US / di:p /

•

UK / dip /

A1

adjecitve
Complex and important
Extreme or intense
Going far down from the surface
Low in pitch, as a sound
adverb
At a certain distance beneath the surface

funny

US / ˈfʌni /

•

UK / ˈfʌni /

A1

adjecitve
Causing laughter; amusing
Being different, odd or strange

level

US / 'levl /

•

UK / ˈlɛvəl /

A2

adjecitve
(Sports) equal to another
Being steady and determined (e.g. a voice)
noun
Specific height of something
Amount of ability you have compared to others
Floor or deck within a building
Tool used to determine if something is lying flat
verb
To aim a gun at someone
To destroy a building; flatten an area completely
To make things flat or even
To make a score equal to another, in sports

paranasal

US / pærəˈneɪzəl /

•

UK / pærəˈneɪzəl /

A1

other
Adjacent to the nasal cavities