Mass and Inertia | Dynamics | AP Physics I | Khan Academy
A1 A2 B1 B2 C1 C2
see
US / si: /
•UK / si /
- 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)
have
US / həv /
•UK / hæv /
- 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
know
US / nəʊ /
•UK / noʊ /
- 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
with
US / wɪð /
•UK / wɪð, wɪθ /
- 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
pure
US / pjʊə(r) /
•UK / pjʊr /
- adjecitve
- Not mixed with anything else
- Being morally good
air
US / eə(r) /
•UK / er /
- noun
- Mixture of gases around the earth that we breathe
- A person's manner intended to impress others
- verb
- To expose to the outside, to dry or freshen
- To broadcast a TV or radio show
- To open a subject to discussion and debate
classical
US / ˈklæsɪkl /
•UK / ˈklæsɪkəl /
- adjecitve
- Concerning the culture of ancient Greece or Rome
- (Of music) serious and traditional in form
- Concerning ideas considered to be traditional
often
US / ˈɔfən /
•UK / ˈɔfən,ˈɑfən,ˈɔftən,ˈɑf- /
- adverb
- Many times; frequently; on many occasions
draw
US / drɔ: /
•UK / drɔ /
- noun
- Something that attracts people to visit a place
- A lottery or prize
- Result of a game, contest where the score is equal
- verb
- To attract attention to someone or something
- To get closer to or approach something or someone
- To influence a person's involvement in something
- To move an object by pulling
- To create an image using pen or pencil and paper
- To take one thing out of a container, etc.
- (Of 2 teams) to finish a game with the same score
resistant
US / rɪˈzɪstənt /
•UK / rɪˈzɪstənt /
- adjecitve
- Not affected by something
- Being opposed to or wanting to prevent something
could
US / kəd /
•UK / kʊd /
- other
- Past form of 'can' to mean have ability
- Used to ask for something politely, or to offer
world
US / wɜ:ld /
•UK / wɜrld /
- noun
- All the humans, events, activities on the earth
- Political division due to some kind of similarity
center
US / 'sentə /
•UK / ˈsɛntɚ /
- noun
- Community place people go health or social reasons
- Place in the middle of something
- Person or thing that is attracting attention
- verb
- To direct focus toward something
accelerate
US / əkˈseləreɪt /
•UK / ækˈsɛləˌret /
- verb
- To cause to occur earlier than expected
- To increase the speed or rate of something
unit
US / ˈju:nɪt /
•UK / ˈjunɪt /
- noun
- One apartment in a building
- Group of people, e.g. soldiers, that work together
- A chapter of a textbook
- A standard of measurement of something
- Single item made by a company
similarity
US / ˌsɪmə'lærətɪ /
•UK / ˌsɪməˈlærɪti /
- noun
- Degree to which people or things are the same
equation
US / ɪˈkweɪʒn /
•UK / ɪˈkweʒən, -ʃən /
- noun
- Mathematical statement showing things to be equal
- Complex set of different facts, ideas or issues
object
US / 'ɒbdʒɪkt /
•UK / ˈɑbdʒɪkt /
- noun
- Something you can see or touch, but is not alive
- Goal or purpose of a particular plan or activity
- The thing that the action of a verb acts upon
- verb
- To disagree; to protest against an idea or plan
start
US / stɑ:t /
•UK / stɑrt /
- 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
just
US / dʒʌst /
•UK / dʒʌst /
- 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)
glance
US / glɑ:ns /
•UK / glæns /
- noun
- Quick or temporary look at
- verb
- To look somewhere quickly and then look away
much
US / mʌtʃ /
•UK / mʌtʃ /
- 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
why
US / waɪ /
•UK / hwaɪ, waɪ /
- adverb
- Question word to ask for a reason
- exclamation
- (Used to express surprise or approval)
acceleration
US / əkˌseləˈreɪʃn /
•UK / ækˌsɛləˈreʃən /
- noun
- Increase in the speed or rate of something
ask
US / ɑ:sk /
•UK / æsk /
- verb
- To say to someone that you want something
quantum
US / ˈkwɒntəm /
•UK / ˈkwɑ:ntəm /
- noun
- The smallest unit or amount of energy
exact
US / ɪɡ'zækt /
•UK / ɪɡˈzækt /
- adjecitve
- Completely correct; accurate; specific
- verb
- To get something, sometimes using force
depend
US / dɪˈpend /
•UK / dɪˈpend /
- verb
- Be controlled or determined by (someone/something)
for
US / fə(r) /
•UK / fɔr,fə /
- preposition
- Used to show the purpose, or need of something
stuff
US / stʌf /
•UK / stʌf /
- noun
- Generic description for things, materials, objects
- verb
- To push material inside something, with force
well
US / wel /
•UK / wɛl /
- 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
talk
US / tɔ:k /
•UK / tɔk /
- 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
mass
US / mæs /
•UK / mæs /
- noun
- Religious ceremony in some Christian churches
- Large amount or number of something
- Main or largest part of something
- Large number of people considered as a whole
- Amount of matter that an object has
- verb
- To gather people or things into a large group
time
US / taɪm /
•UK / taɪm /
- 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
difference
US / 'dɪfrəns /
•UK / ˈdɪfərəns, ˈdɪfrəns /
- noun
- A thing or issue that people do not agree about
- Not of the same kind; unlike other things
determine
US / dɪ'tɜ:mɪn /
•UK / dɪˈtɚmɪn /
- verb
- To control exactly how something will be or act
- To establish the facts about; discover
split
US / splɪt /
•UK / splɪt /
- adjecitve
- No longer married or in a relationship
- (Injured) by cutting it open, as in someone's lip
- (Of a decision) when people cannot decide a winner
- noun
- Difference of opinion in a group causing a break
- Separation or a break in something
- verb
- To become divided or broken along a straight line
- To cause a cut in (lip, etc.)
- To have difference of opinion in a group
- To separate into two or more pieces
- To divide something in an even or fair way
velocity
US / və'lɒsətɪ /
•UK / vəˈlɑsɪti /
- noun
- Speed in a given direction
about
US / ə'baʊt /
•UK / əˈbaʊt /
- 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)
hard
US / hɑ:d /
•UK / hɑː(r)d /
- adjecitve
- Difficult to do; difficult to understand
- (Of facts) not able to be misunderstood; clear
- (Of alcohol) strong
- Involving or requiring lots of work, effort, care
- Being full of pain, trouble, and problems
- Strong
- (Of edge) clear; sharp
- Difficult to bend, break or cut; solid
- adverb
- With lots of force, power, or impact
different
US / ˈdɪfrənt /
•UK / ˈdɪfrənt /
- adjecitve
- Not of the same kind; unlike other things
each
US / i:tʃ /
•UK / itʃ /
- determiner
- Every one of two or more things
- pronoun
- Per one person or thing
second
US / 'sekənd /
•UK / ˈsɛkənd /
- 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
tell
US / tel /
•UK / tɛl /
- verb
- To (strongly) advise a person to do something
- To be able to guess
- To say or communicate information to someone
- To inform, but without speaking; indicate
- To have a negative effect on someone
- To order someone to do something; command
- To recognize something based on certain signs
- To report something to an authority
- To explain something or teach someone something
like
US / laɪk /
•UK / laɪk /
- 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
balloon
US / bəˈlu:n /
•UK / bəˈlun /
- noun
- Thin bag of rubber filled with air, used as a toy
- Large air-filled bag to carry people into the air
- verb
- To grow larger quickly; spring up suddenly
- To travel in a large balloon
physic
US / 'fɪzɪk /
•UK / 'fɪzɪk /
- noun
- (Archaic) medicine causing evacuation of the bowels
resistance
US / rɪ'zɪstəns /
•UK / rɪˈzɪstəns /
- noun
- Force that stops or slows movement of something
- Refusal to accept something new or different
directly
US / dəˈrektli /
•UK / dɪˈrɛktli, daɪ- /
- adverb
- In a frank and honest way
- Right away; immediately
mean
US / mi:n /
•UK / min /
- 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
solve
US / sɒlv /
•UK / sɑ:lv /
- verb
- To figure out a way to handle a difficult problem
essentially
US / ɪˈsenʃəli /
•UK / ɪˈsenʃəli /
- adverb
- Basically; (said when stating the basic facts)
that
US / ðæt /
•UK / ðæt, ðət /
- 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’
get
US / ɡet /
•UK / ɡɛt /
- 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
what
US / wɒt /
•UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /
- 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
proper
US / 'prɒpə(r) /
•UK / ˈprɑpɚ /
- adjecitve
- Correct according to social or moral rules
even
US / 'i:vn /
•UK / ˈivən /
- 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
force
US / fɔ:s /
•UK / fɔrs, fors /
- noun
- Group of persons trained for military action; army
- Pressure; attraction
- The use of physical strength/violence to persuade
- verb
- To use physical strength or violence to persuade
then
US / ðen /
•UK / ðɛn /
- 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
search
US / sɜ:tʃ /
•UK / sɜ:rtʃ /
- noun
- Examination of person to find something
- Action to find an answer to a problem
- Action of trying to find someone or something
- verb
- To examine a person's clothing to find something
- To look for an answer or explanation to a problem
- To look carefully for someone or something
first
US / fɜ:st /
•UK / fɚst /
- adjecitve
- 1st; Coming before all others in time or place
- noun
- Something that has not happened before
- Position of the winner of a competition
right
US / raɪt /
•UK / raɪt /
- 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
quantify
US / ˈkwɒntɪfaɪ /
•UK / ˈkwɑ:ntɪfaɪ /
- verb
- To find or calculate the quantity of something
people
US / 'pi:pl /
•UK / ˈpipəl /
- noun
- Persons sharing culture, country, background, etc.
- Men, Women, Children
perspective
US / pə'spektɪv /
•UK / pɚˈspɛktɪv /
- noun
- Artistic method of creating a sense of distance
- Ability to understand what is important in life
this
US / ðɪs /
•UK / ðɪs /
- 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
encounter
US / ɪn'kaʊntə(r) /
•UK / ɛnˈkaʊntɚ /
- noun
- A chance meeting; unexpected or unplanned meeting
- verb
- To come up against a problem or trouble; meet
- To meet someone or something unexpectedly
pull
US / pʊl /
•UK / pʊl /
- noun
- Act of breathing in smoke, as from a pipe
- Force something has that draws other things to it
- Using your hands to move something to you
- verb
- To breathe in smoke, as from a pipe
- To hold something and move it toward you
- To remove something by force
one
US / wʌn /
•UK / wʌn /
- 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
material
US / məˈtɪəriəl /
•UK / məˈtɪriəl /
- 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
might
US / maɪt /
•UK / maɪt /
- other
- Used to politely request an action
- Used to express that something could happen
- Power, strength, force or influence
you
US / jʊ /
•UK / ju /
- pronoun
- Person someone is speaking or writing to
- Person or people in general
little
US / 'lɪtl /
•UK / ˈlɪtl /
- 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
other
US / 'ʌðə(r) /
•UK / ˈʌðər /
- adjecitve
- A thing different from that mentioned
- determiner
- (Something) else; not the first (one)
- pronoun
- Being the one and only thing of that category
opposite
US / ˈɔpəzit /
•UK / ˈɑpəzɪt /
- adjecitve
- Being totally different from
- noun
- Person, thing that is totally different to another
- preposition
- Across from or on the side facing something
let
US / let /
•UK / lɛt /
- verb
- To allow someone to do something
- Introducing a suggestion to do something together
- To rent a house, etc. to others
term
US / tɜ:m /
•UK / tɚm /
- noun
- Conditions applying to an agreement, contract
- Length of time something is expected to happen
- Fixed period of weeks for learning at school
- The (precise) name given to something
- verb
- To call; give a name to
into
US / 'ɪntə /
•UK / ˈɪntu /
- preposition
- Moving or going inside something
- In the same direction as; in the direction of
- So as to become; taking the state of
also
US / 'ɔ:lsəʊ /
•UK / ˈɔlso /
- adverb
- In addition; too; in a similar way
lucky
US / 'lʌkɪ /
•UK / ˈlʌki /
- adjecitve
- Fortunate; having good things happen by chance
magnitude
US / ˈmægnɪtju:d /
•UK / ˈmæɡnɪˌtud, -ˌtjud /
- noun
- Number representing force of an earthquake
- Size or importance
- Number representing the brightness of a star
quote
US / kwəʊt /
•UK / kwot /
- noun
- Written statement of the cost of something
- The (often wise or famous) words of another person
- verb
- To tell someone how much a task will cost
- To repeat precisely what a person said or wrote
verify
US / 'verɪfaɪ /
•UK / ˈvɛrəˌfaɪ /
- verb
- To prove that something is right, accurate or true
how
US / haʊ /
•UK / haʊ /
- 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)
make
US / meɪk /
•UK / mek /
- 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
neutron
US / ˈnu:ˌtrɔn, ˈnju:- /
•UK / ˈnuˌtrɑn, ˈnju- /
- noun
- Charge and mass about equal to a proton; enters into the structure of the atomic nucleus
the
US / ðə /
•UK / ðə /
- 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
lead
US / li:d /
•UK / lid /
- adjecitve
- Being the main part in movies or plays
- noun
- Wire for electricity, computer, etc.; cable
- Information that could help to solve a crime
- Main part in a play or movie
- Heavy, gray metal element
- Rope used to tie something to stop it escaping
- Act of being at the front in a race or game
- verb
- To show the way or guide others
- To be at the front of a race or game
- To travel in front of; go in advance of others
measure
US / ˈmeʒə(r) /
•UK / ˈmɛʒɚ /
- noun
- Plan to achieve a desired result
- Tool used to calculate the size of something
- verb
- To determine the value or importance of something
- To calculate size, weight or temperature of
but
US / bət /
•UK / bʌt,bət /
- conjunction
- Used before you say something different, opposite
incredibly
US / ɪnˈkredəbli /
•UK / ɪnˈkrɛdəblɪ /
- adverb
- To a great degree; very; amazingly
apply
US / ə'plaɪ /
•UK / əˈplaɪ /
- verb
- To spread a substance or liquid over a surface
- To commit your time and effort to doing something
- To make something useful in a certain situation
- To be relevant for a situation
- To ask formally for (job, permission etc.)
can
US / kæn /
•UK / kən,kæn /
- 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
especially
US / ɪˈspeʃəli /
•UK / ɛˈspɛʃəli, ɪˈspɛʃ- /
- adverb
- More than usual; extremely
give
US / ɡɪv /
•UK / ɡɪv /
- 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
respective
US / rɪˈspektɪv /
•UK / rɪˈspektɪv /
- adjecitve
- Belonging to each of two or more persons or things
size
US / saɪz /
•UK / saɪz /
- noun
- How big or small a thing is
- Standard measurements for clothing, shoes
- verb
- To make something to fit a particular measurement
- To organize or group from small to large
weight
US / weɪt /
•UK / wet /
- noun
- How heavy something is
- Metal object to measure how heavy something is
- Importance, power, and influence person, thing has
- A source of worry, sadness, or emotional stress
not
US / nɒt /
•UK / nɑt /
- adverb
- Word indicating the negative
- (Used to form the negative of verbs)
represent
US / ˌreprɪ'zent /
•UK / ˌrɛprɪˈzɛnt /
- verb
- To depict art objects, figures, scenes; to portray
- To show or describe something in a particular way
- To act on behalf of others in government
- To act or speak for another person or other people
exert
US / ɪgˈzɜ:t /
•UK / ɪgˈzɜ:rt /
- verb
- To make something have an effect on something else
video
US / 'vɪdɪəʊ /
•UK / ˈvɪdiˌo /
- adjecitve
- Of a moving film, with sound
- noun
- Recording capturing action with sound
- verb
- To make a moving film of, with sound
star
US / stɑ:(r) /
•UK / stɑr /
- noun
- Very famous person, usually an entertainer
- Someone who does something very well
- Your horoscope
- A bright planet of hot gas in the night sky
- A 5-6 sided asterisk-shape
- verb
- To perform or play a main role in a movie, play
- To do something very well
- To mark with a 5-6 sided asterisk-shape
deal
US / di:l /
•UK / dil /
- verb
- To cope with something - usually troubles
- To give (something bad e.g. news) to
- To buy and sell illegal drugs
- To give out (cards, etc.) to; distribute
- To do business with someone or to sell products
become
US / bɪ'kʌm /
•UK / bɪˈkʌm /
- verb
- To begin to be; grow to be; develop into
- To be suitable for a particular job or role
now
US / naʊ /
•UK / naʊ /
- 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
really
US / ˈri:əli /
•UK / ˈriəˌli, ˈrili /
- adverb
- Used to stress something that is said; definitely
- In a true or accurate manner
- Very
entity
US / 'entətɪ /
•UK / ˈɛntɪti /
- noun
- Something that exists by itself and is real
same
US / seɪm /
•UK / sem /
- adjecitve
- Being equal in quality and amount
- Identical; not different
- Not changing; constant
definition
US / ˌdefɪˈnɪʃn /
•UK / ˌdɛfəˈnɪʃən /
- noun
- Explanation of word's meaning, as in dictionaries
- The sharpness of an image on a screen
- Visual clearness in a photo or on a screen
candy
US / ˈkændi /
•UK / ˈkændi /
- noun
- Small sweet foods made mostly of sugar
- verb
- To coat food with sugar
would
US / wʊd /
•UK / wʊd /
- 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
vector
US / 'vektə(r) /
•UK / ˈvɛktɚ /
- noun
- Math a quantity that has both size and direction
law
US / lɔ: /
•UK / lɔ /
- noun
- Field of study that relates to the legal profession
- A rule made and enforced by a government
- System or rules made by the government
equal
US / 'i:kwəl /
•UK / ˈikwəl /
- adjecitve
- Same in shape, size, or number
- verb
- To add up or be the same as
textbook
US / ˈtekstbʊk /
•UK / ˈtɛkstˌbʊk /
- noun
- A book that is used to study
study
US / 'stʌdɪ /
•UK / ˈstʌdi /
- noun
- Room that a person studies or reads in
- Piece of research
- Topic or subject you research or learn about
- verb
- To focus on learning something usually at school
quotes
US / kwəʊts /
•UK / kwoʊts /
- other
- Written statement of the cost of something
- The (often wise or famous) words of people
- verb
- To tell someone how much a task will cost
- To repeat precisely what a person said or wrote
want
US / wɔnt /
•UK / wɑnt, wɔnt /
- noun
- Something you desire or wish for
- State or condition of poverty
- verb
- To desire or wish for something; hope for a thing
maybe
US / ˈmeɪbi /
•UK / ˈmebi /
- adverb
- Possibly but not certainly; perhaps
two
US / tu: /
•UK / tu /
- number
- 2
couple
US / 'kʌpl /
•UK / ˈkʌpəl /
- 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
from
US / frəm /
•UK / frʌm, frɑm,frəm /
- preposition
- Starting at a particular place, time or level
only
US / ˈəunli /
•UK / ˈonli /
- adverb
- Just one; just that amount or thing; not more than
- Not very important or serious
- Just that type of thing, person
- Short time ago; not before a certain time
- conjunction
- Except; but
think
US / θɪŋk /
•UK / θɪŋk /
- verb
- To have an idea about something without certainty
- To have an idea, opinion or belief about something
sometimes
US / ˈsʌmtaɪmz /
•UK / ˈsʌmˌtaɪmz /
- adverb
- Only at certain times; occasionally
concept
US / 'kɒnsept /
•UK / ˈkɑnˌsɛpt /
- noun
- Abstract idea of something or how it works
hair
US / heə(r) /
•UK / her /
- noun
- Long thin strands growing on your head or body
- Short distance; a very small amount
until
US / ənˈtɪl /
•UK / ʌnˈtɪl /
- conjunction
- Up to; to a time when something happens
- preposition
- Before (a specific time)
distance
US / 'dɪstəns /
•UK / ˈdɪstəns /
- noun
- Lack of friendliness toward another person
- Amount of space between two places or things
- verb
- To make it clear that you are not involved
anything
US / ˈeniθɪŋ /
•UK / ˈɛniˌθɪŋ /
- pronoun
- A thing of any kind
large
US / lɑ:dʒ /
•UK / lɑ:rdʒ /
- adjecitve
- Big; of great size; broad, tall, wide, or fat
put
US / pʊt /
•UK / pʊt /
- phrasal verb
- to make a light stop shining by pressing or moving a switch
- verb
- To move or place a thing in a particular position
- To rate something in importance or value
- To write or say something in a certain manner
call
US / kɔ:l /
•UK / kɔl /
- noun
- A order or request for action
- The sound an animal makes, often when in danger
- A correct prediction, e.g. a decision in a game
- A short visit to a place or person
- A decision by a referee or umpire in a game
- verb
- To make a request or order for action
- (Animal) to make sounds to warn of danger
- To announce the date of an election
- To make a judgment about something
- To give someone or something a name
- To guess in advance the result or outcome
- To visit a place or person for a short time
- To phone someone
- To speak, announce or shout in a loud voice
over
US / 'əʊvə(r) /
•UK / ˈovɚ /
- adverb
- Finished; no longer happening
- Towards the ground/away from a standing position
- noun
- A set of six consecutive balls bowled in cricket
- other
- Finished
- preposition
- Showing the relation when a thing is above another
- On or covering something
- Above or across something
- More than you need
- From one side to the other
- In the direction of; toward
inertia
US / ɪˈnɜ:ʃə /
•UK / ɪˈnɚʃə /
- noun
- Lack of movement or activity
out
US / aʊt /
•UK / aʊt /
- 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
and
US / ənd /
•UK / ənd, ən,ænd /
- conjunction
- Used to refer to two or more things
- Plus; in addition; on top of that
- Used to introduce an action that follows another
hot
US / hɒt /
•UK / hɑ:t /
- adjecitve
- Angry or excited
- Being very good at something
- Having a high temperature
- Popular and causing a great deal of excitement
- Attractive in a sexually exciting way
- (Of food) very spicy
- Stolen; dangerous to buy or trade in
something
US / ˈsʌmθɪŋ /
•UK / ˈsʌmθɪŋ /
- 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
mechanic
US / məˈkænɪk /
•UK / mɪˈkænɪk /
- noun
- A person who looks after/works with machinery
direction
US / də'rekʃn /
•UK / dɪˈrɛkʃən, daɪ- /
- noun
- When someone tells people what to do
- Describes the way you are going, e.g. North
act
US / ækt /
•UK / ækt /
- noun
- What someone did; action; behavior
- A law or rule passed by a government we must obey
- One of the parts that a stage play is divided into
- verb
- To behave in a certain way
- To perform on a stage or in a movie
dense
US / dens /
•UK / dɛns /
- adjecitve
- Very thick and difficult to see, get through
- Hard to understand
- Uncomprehending; foolish; inconsiderate
volume
US / ˈvɒlju:m /
•UK / ˈvɑljum, -jəm /
- noun
- Number or amount of something e.g. sales
- Amount of space that something takes up
- One book that is part of a set of books
- Level of sound produced by radio or television
constitute
US / 'kɒnstɪtju:t /
•UK / ˈkɑnstɪˌtut, -ˌtjut /
- verb
- To become a group of
- To establish or form a government, etc.
- To be similar or equal to something
subatomic
US / ˌsʌbəˈtɒmɪk /
•UK / ˌsʌbəˈtɑmɪk /
- adjecitve
- Concerning constituents of the atom
all
US / ɔ:l /
•UK / ɔl /
- adverb
- Completely; totally
- determiner
- Being every one of something
- pronoun
- 100% of something; the complete amount
relativity
US / ˌreləˈtɪvəti /
•UK / ˌrɛləˈtɪvɪti /
- noun
- Einstein theory about time, space and position
between
US / bɪˈtwi:n /
•UK / bɪˈtwin /
- preposition
- From one person, thing, or place, to another
- In the space that separates two objects
- Among two or more people who share something
abstract
US / 'æbstrækt /
•UK / ˈæbˌstrækt /
- adjecitve
- Concerning something that doesn't exist physically
- noun
- Passage of text from an article or book
- Something that doesn't exist physically
- Short summary of an academic article
- verb
- To take out or remove a part of
- To summarize an academic article
bit
US / bɪt /
•UK / bɪt /
- noun
- Device put in a horse's mouth to control it
- Small piece of something
- verb
- (E.g. of fish) to take bait and be caught
take
US / teɪk /
•UK / tek /
- 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
its
US / ɪts /
•UK / ɪts /
- adjecitve
- Referring to or belonging to ‘it’
- determiner
- Of something; belonging or related to something
- other
- Possessive form of “it”
both
US / bəuθ /
•UK / boθ /
- determiner
- Used to refer to two things at the same time
- pronoun
- Used to refer to two things at the same time
very
US / 'verɪ /
•UK / ˈvɛri /
- adjecitve
- Concerning a large degree or amount
- adverb
- A lot; much; many
- Used to stress or emphasize a noun
way
US / weɪ /
•UK / we /
- 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
web
US / web /
•UK / wɛb /
- noun
- Skin between ducks' toes that enables them to swim
- Internet's collection of interrelated information
- Net made from silk threads produced by spiders
- Complicated set of relationships or connections
they
US / ðeɪ /
•UK / ðe /
- pronoun
- Two or more people, animals, or things
implicitly
US / ɪm'plɪsɪtlɪ /
•UK / ɪmˈplɪsɪtlɪ /
- adverb
- Without doubting or questioning
look
US / lʊk /
•UK / lʊk /
- 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
general
US / 'dʒenrəl /
•UK / ˈdʒɛnərəl /
- adjecitve
- Widespread, normal or usual
- noun
- Top ranked officer in the army
figure
US / ˈfiɡə /
•UK / ˈfɪɡjɚ /
- noun
- Your body shape
- Numbers in a calculation
- Doll-like thing meant to represent a person
- Picture or diagram giving information in a text
- Person who is very important or famous
- Shape of a person seen indistinctly or in outline
- Amount that is expressed in numbers
- verb
- To appear in a game, play or event
- To calculate how much something will cost
- To understand after thinking; work out
their
US / ðɛː /
•UK / ðer /
- determiner
- Belonging to them
change
US / tʃeɪndʒ /
•UK / tʃendʒ /
- 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
everything
US / 'evrɪθɪŋ /
•UK / ˈɛvriˌθɪŋ /
- pronoun
- All of the things mentioned
encourage
US / ɪn'kʌrɪdʒ /
•UK / ɛnˈkɚrɪdʒ, -ˈkʌr- /
- verb
- To increase the chance of something happening
- To make someone more determined or confident
try
US / traɪ /
•UK / traɪ /
- noun
- Act of putting the ball over the rugby goal line
- verb
- To make an effort, to attempt to do something
- To examine someone or something in a court of law
- To test to see if it is good or you like it
- To make a person go through hardship; test
- To examine something to see if it works
equivalent
US / ɪˈkwɪvələnt /
•UK / ɪˈkwɪvələnt /
- adjecitve
- Equal to something in value, use or meaning
- noun
- Thing like another in quality, quantity or degree
gravitation
US / ˌɡrævɪ'teɪʃn /
•UK / ˌɡrævɪˈteʃən /
- noun
- Movement toward something attractive
debate
US / dɪ'beɪt /
•UK / dɪˈbet /
- noun
- General public discussion of a topic
- A formal event where two sides discuss a topic
- verb
- To consider options before making a decision
- To take part in a formal discussion
respond
US / rɪ'spɒnd /
•UK / rɪˈspɑnd /
- verb
- To answer something or someone
- To have a good reaction to e.g. medical treatment
side
US / saɪd /
•UK / saɪd /
- adjecitve
- In addition to the central or most important thing
- Next to, or very close to, the right or left of
- noun
- Position or opinion that is opposite to another
- Right or left part of a person's body
- Feature of someone's personality
- Straight edge of an object
- One of two or more groups fighting each other
- verb
- To decide to agree with one point, not the other
itself
US / ɪtˈself /
•UK / ɪtˈsɛlf /
- pronoun
- Referring to it
tool
US / tu:l /
•UK / tul /
- noun
- Device used to make things, e.g. a hammer
- verb
- To provide a workshop with the right equipment
matter
US / 'mætə(r) /
•UK / ˈmætɚ /
- noun
- Material all things are made of that fills space
- Problem or reason for concern
- verb
- To be of great importance; to count
someone
US / ˈsʌmwʌn /
•UK / ˈsʌmˌwʌn, -wən /
- pronoun
- Person who is not known or named
gravitational
US / ˌgrævɪˈteɪʃənl /
•UK / ˌɡrævɪˈteɪʃənl /
- adjecitve
- Concerning the force of gravity
particle
US / ˈpɑ:tɪkl /
•UK / ˈpɑrtɪkəl /
- noun
- Adverb or preposition that joins with a verb
- Tiny piece or quantity of something
write
US / raɪt /
•UK / raɪt /
- verb
- To compose letters and words on paper or a screen
- To invent or create a computer program
- To create a song or piece of music
small
US / smɔ:l /
•UK / smɔl /
- 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
divide
US / dɪ'vaɪd /
•UK / dɪˈvaɪd /
- verb
- To split numbers by another number, e.g. 6 / 2 = 3
- To separate something into equal pieces
here
US / hɪə(r) /
•UK / hɪr /
- adverb
- In this place; at this location, position or time
inertial
US / ɪˈnɜ:ʃl /
•UK / ɪˈnɜ:rʃl /
- adjecitve
- Concerning inertia
wait
US / weɪt /
•UK / wet /
- verb
- To delay or not do something until later
- To spend time until an expected thing happens
- To remain in a place until a thing happens
historic
US / hɪˈstɒrɪk /
•UK / hɪˈstɔrɪk, -ˈstɑr- /
- adjecitve
- (Of past event) having an effect on future; famous
- Connected with the past
actually
US / ˈæktʃuəli /
•UK / ˈæktʃuəli /
- adverb
- Used to add new (often different) information
describe
US / dɪ'skraɪb /
•UK / dɪˈskraɪb /
- verb
- To tell the appearance, sound, smell of something
once
US / wʌns /
•UK / wʌns /
- adverb
- One time; one instance
- At a time in the past
- conjunction
- When; as soon as
certain
US / ˈsə:tn /
•UK / ˈsɚtn /
- adjecitve
- Definite, fixed
- Referring to an unspecified amount or quantity
- Being sure about something; without doubt
will
US / wɪl /
•UK / wɪl /
- 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