Vocabulary

  • in packs: In groups or sets, especially of animals hunting or moving together.
  • speed up: To move more quickly
  • around the corner: Very near; close by.
  • lead to: To result in some action
  • set out: To arrange something in an orderly fashion
  • in half: Divided into two equal parts.
  • analogous to: Comparable in certain respects, typically in a way that clarifies the nature of the things compared.
  • outside of: Located or situated beyond the boundaries or confines of something.
  • get together: To gather, or come together for some purpose
  • in other words: Stating something in a different way, often to make it clearer or more understandable.
  • sum up
  • dance: To move your body rhythmically to music
  • date: To have become old-fashioned
  • class: To place things into groups by common qualities
  • student: Person studying at school
  • travel: To go to a place that is far away
  • study: To focus on learning something usually at school
  • school: Large group of fish that swim together
  • great: Very good; better than before
  • fast: In a way that is difficult to move or change
  • easy: Not hard to do; not difficult
  • place: To put someone in a particular type of situation
  • late: At a time after the expected time
  • meet: To provide something that is necessary
  • number: Symbols such as 1, 2, 56, 793
  • small: Little in size; not big
  • chemist: Person who sells medicines; drug store
  • correct: Being suitable and appropriate for an occasion
  • chemistry: The study of the structure of substances
  • area: Amount of measured space
  • decide: To make a choice or choose after thinking about it
  • temperature: When you your body heat is above normal
  • move: To cause someone to have certain emotions
  • quickly: Without taking a lot of time; fast
  • happen: To take place or occur
  • hallway: Interior passage or corridor onto which rooms open
  • future: Time that is to come after the present
  • pack: Bag carried on the back of donkey, etc.
  • improve: To make, or become, something better
  • high: Excited or relaxed from taking drugs
  • offer: Price you say you are willing to pay for something
  • energy: Physical or mental strength
  • increase: To make or become larger in size or amount
  • knock: Bad experience that reduces a person's confidence
  • create: To make, cause, or bring into existence
  • individual: Single person, looked at separately from others
  • speed: How fast or slow something is or is done
  • amount: Quantity of something
  • splitting: To become divided or broken along a straight line
  • politely: In a manner showing good manners or respect
  • safely: Out of danger
  • correctly: In an accurate or correct manner
  • kindly: Motivated by sympathy, understanding, generosity
  • initial: First letter of your given name
  • hire: To give a job to someone in exchange for pay
  • volume: Number or amount of something e.g. sales
  • reaction: Bodily response to a drug or something eaten
  • chemical: Basic substance produced by mixing elements
  • lower: In a position more near the bottom
  • propose: To make an offer of marriage
  • occur: To come to pass or to happen
  • surface: To give (road) a top layer
  • mixture: Something made by combining two or more things
  • expose: To make visible, without covering or protection
  • chemically: By means of a chemical process
  • shrink: To become smaller
  • incident: Event, usually unusual or important; accident
  • disposal: Act of giving or throwing something away
  • educational: Intended to teach or inform
  • violent: Done with force; likely to produce physical damage
  • ensure: To make something sure, certain, or safe
  • accelerate: To cause to occur earlier than expected
  • facilitate: To make an action or process easier
  • undergo: To experience or endure something (bad)
  • equivalent: Equal to something in value, use or meaning
  • likelihood: Chance that something might happen
  • orientation: Where you are in a location, e.g. facing east/west
  • analogous: Similar and comparable to
  • parallel: To be equal to, or like, something else
  • particle: Adverb or preposition that joins with a verb
  • collision: Act of crashing into someone or something else
  • collide: To come together or crash with a lot of force
  • configuration: A shape or outline; a method of arrangement
  • activation: Act of making something (e.g. a bomb) active
  • coordinate: To match styles or colors that go well together
  • catalyst: Person/thing causing a change or event to happen
  • alignment: Agreement to work together on a common goal
  • vessel: Container, such as a cup, for holding liquids
  • velocity: Speed in a given direction
  • navigate: To direct (car, plane etc.) in the right direction
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  • not found vocabularyNo vocabulary matches your filters
    • accelerate

      US /ækˈsɛləˌret/

      UK /əkˈseləreɪt/

      • Transitive Verb
      • To cause to occur earlier than expected
      • To increase the speed or rate of something
      B1TOEIC
      More
    • activation

      US /ˌæktɪ'veɪʃn/

      UK /ˌæktɪ'veɪʃn/

      • Noun
      • Act of making something (e.g. a bomb) active
      B1
      More
    • alignment

      US /əˈlaɪnmənt/

      UK /əˈlaɪnmənt/

      • Noun
      • Agreement to work together on a common goal
      • The state of being in a straight line or in the correct position.
      B2
      More
    • analogous

      US /əˈnæləɡəs/

      UK /əˈnæləgəs/

      • Adjective
      • Similar and comparable to
      B2
      More
    • analogous to

      US

      UK

      • Adjective
      • Comparable in certain respects, typically in a way that clarifies the nature of the things compared.
      A1
      More
    • around the corner

      US /əˈraʊnd ði ˈkɔrnɚ/

      UK /əˈraund ðə ˈkɔ:nə/

      • Phrase
      • Very near; close by.
      • About to happen; approaching soon.
      A1
      More
    • catalyst

      US /ˈkætlɪst/

      UK /ˈkætəlɪst/

      • Noun (Countable/Uncountable)
      • Person/thing causing a change or event to happen
      • Substance causing a chemical reaction to speed up
      B2TOEIC
      More
    • chemical

      US /ˈkɛmɪkəl/

      UK /ˈkemɪkl/

      • Noun (Countable/Uncountable)
      • Basic substance produced by mixing elements
      • The branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
      • Adjective
      • Made of various elements
      A2
      More
    • chemically

      US /'kemɪklɪ/

      UK /'kemɪklɪ/

      • Adverb
      • By means of a chemical process
      B1
      More
    • chemist

      US /ˈkɛmɪst/

      UK /ˈkemɪst/

      • Countable Noun
      • Person who sells medicines; drug store
      • Person who studies or does research in chemistry
      B1
      More
    • chemistry

      US /ˈkɛmɪstri/

      UK /'kemɪstrɪ/

      • Uncountable Noun
      • The study of the structure of substances
      B1
      More
    • collide

      US /kəˈlaɪd/

      UK /kəˈlaɪd/

      • Verb (Transitive/Intransitive)
      • To come together or crash with a lot of force
      • To disagree with or be very different from others
      B1
      More
    • collision

      US /kəˈlɪʒən/

      UK /kəˈlɪʒn/

      • Noun
      • Act of crashing into someone or something else
      • A clash of opposing ideas or interests.
      B2
      More
    • configuration

      US /kənˌfɪɡjəˈreʃən/

      UK /kənˌfɪgəˈreɪʃn/

      • Noun
      • A shape or outline; a method of arrangement
      B2
      More
    • coordinate

      US /ko'ɔrdəˈnet/

      UK /kəʊ'ɔ:dɪneɪt/

      • Transitive Verb
      • To match styles or colors that go well together
      • To cause body parts to move smoothly together
      • Noun
      • Point on a map defining a location e.g. 135N, 34W
      • A matching set of clothes.
      B1
      More
    • correct

      US /kəˈrɛkt/

      UK /kə'rekt/

      • Adjective
      • Being suitable and appropriate for an occasion
      • True or accurate
      • Transitive Verb
      • To fix a problem
      • To write marks on a piece of work to show mistakes
      A2
      More
    • correctly

      US /kəˈrɛktlɪ/

      UK /kə'rektlɪ/

      • Adverb
      • In an accurate or correct manner
      A2
      More
    • decide

      US /dɪˈsaɪd/

      UK /dɪ'saɪd/

      • Verb (Transitive/Intransitive)
      • To make a choice or choose after thinking about it
      • To make a legal judgment in court
      A2TOEIC
      More
    • disposal

      US /dɪˈspozəl/

      UK /dɪˈspəʊzl/

      • Uncountable Noun
      • Act of giving or throwing something away
      B1TOEIC
      More
    • educational

      US /ˌɛdʒəˈkeʃənəl/

      UK /ˌedʒuˈkeɪʃənl/

      • Adjective
      • Intended to teach or inform
      A2
      More
    • energy

      US /ˈɛnədʒi/

      UK /'enədʒɪ/

      • Noun (Countable/Uncountable)
      • Physical or mental strength
      • Enthusiasm and determination.
      A2
      More
    • ensure

      US /ɛnˈʃʊr/

      UK /ɪn'ʃʊə(r)/

      • Transitive Verb
      • To make something sure, certain, or safe
      A2TOEIC
      More
    • equivalent

      US /ɪˈkwɪvələnt/

      UK /ɪˈkwɪvələnt/

      • Adjective
      • Equal to something in value, use or meaning
      • Having the same meaning or significance.
      • Noun
      • Thing like another in quality, quantity or degree
      B1TOEIC
      More
    • expose

      US /ɪkˈspoʊz/

      UK /ɪk'spəʊz/

      • Transitive Verb
      • To make visible, without covering or protection
      • To allow light through a cameras lens onto film
      A2TOEIC
      More
    • facilitate

      US /fəˈsɪlɪˌtet/

      UK /fə'sɪlɪteɪt/

      • Transitive Verb
      • To make an action or process easier
      B1TOEIC
      More
    • get together

      US /ɡɛt təˈɡɛðɚ/

      UK /ɡet təˈɡeðə/

      • Phrasal Verb
      • To gather, or come together for some purpose
      • To start a romantic relationship.
      • Verb (Transitive/Intransitive)
      • To meet for social or recreational purposes.
      • To start a romantic relationship.
      A1
      More
    • hallway

      US /ˈhɔlˌwe/

      UK /ˈhɔ:lweɪ/

      • Noun
      • Interior passage or corridor onto which rooms open
      B2
      More
    • hire

      US /haɪr/

      UK /ˈhaɪə(r)/

      • Transitive Verb
      • To give a job to someone in exchange for pay
      • To give the use of something in exchange for money
      • Noun
      • Short term rental of something e.g. car, phone
      A2TOEIC
      More
    • in half

      US /ɪn hæf/

      UK /in hɑ:f/

      • Adverb
      • Divided into two equal parts.
      • Partially; to some extent.
      A1
      More
    • in other words

      US

      UK

      • Phrase
      • Stating something in a different way, often to make it clearer or more understandable.
      More
    • in packs

      US

      UK

      • Phrase
      • In groups or sets, especially of animals hunting or moving together.
      • Arranged or sold in specific sets or quantities.
      A1
      More
    • incident

      US / ˈɪnsɪdənt/

      UK /ˈɪnsɪdənt/

      • Noun (Countable/Uncountable)
      • Event, usually unusual or important; accident
      • A political event that causes difficulties.
      A2
      More
    • individual

      US /ˌɪndəˈvɪdʒuəl/

      UK /ˌɪndɪˈvɪdʒuəl/

      • Countable Noun
      • Single person, looked at separately from others
      • A single thing or item, especially when part of a set or group.
      • Adjective
      • Made for use by one single person
      • Having a distinct manner different from others
      A2
      More
    • initial

      US /ɪˈnɪʃəl/

      UK /ɪ'nɪʃl/

      • Noun
      • First letter of your given name
      • The beginning or commencement of something.
      • Transitive Verb
      • To authorize something by writing your initials
      • To mark or sign with one's initials.
      A2TOEIC
      More
    • kindly

      US /ˈkaɪndli/

      UK /ˈkaɪndli/

      • Adjective
      • Motivated by sympathy, understanding, generosity
      • Adverb
      • In a caring and helpful manner
      A2TOEIC
      More
    • knock

      US /nɑk/

      UK /nɒk/

      • Noun
      • Bad experience that reduces a person's confidence
      • Action of something solid hitting something hard
      • Transitive Verb
      • To criticize someone in an unreasonable way
      • To hit something to get people's attention
      A2
      More
    • lead to

      US /lid tu/

      UK /li:d tu:/

      • Phrasal Verb
      • To result in some action
      • Verb (Transitive/Intransitive)
      • To have something as a consequence or result.
      A1
      More
    • likelihood

      US /ˈlaɪkliˌhʊd/

      UK /ˈlaɪklihʊd/

      • Uncountable Noun
      • Chance that something might happen
      B1TOEIC
      More
    • lower

      US /ˈlaʊɚ, laʊr/

      UK /'ləʊə(r)/

      • Adjective
      • In a position more near the bottom
      • Transitive Verb
      • To move something downward to the ground
      A2
      More
    • mixture

      US /ˈmɪkstʃɚ/

      UK /ˈmɪkstʃə(r)/

      • Noun (Countable/Uncountable)
      • Something made by combining two or more things
      B1
      More
    • navigate

      US /ˈnævɪˌɡet/

      UK /'nævɪɡeɪt/

      • Verb (Transitive/Intransitive)
      • To direct (car, plane etc.) in the right direction
      • To deal successfully with something complex
      B2
      More
    • occur

      US /əˈkɚ/

      UK /əˈkɜ:(r)/

      • Intransitive Verb
      • To come to pass or to happen
      • To be found to exist; to be present.
      A2TOEIC
      More
    • orientation

      US /ˌɔriɛnˈteʃən, -ən-, ˌor-/

      UK /ˌɔ:riənˈteɪʃn/

      • Noun
      • Where you are in a location, e.g. facing east/west
      • Process of giving information about something new
      B1
      More
    • outside of

      US /aʊtˈsaɪd ʌv/

      UK /ˌautˈsaid ɔv/

      • Preposition
      • Located or situated beyond the boundaries or confines of something.
      • Beyond the scope, range, or limits of something.
      A1
      More
    • parallel

      US /ˈpærəˌlɛl/

      UK /'pærəlel/

      • Verb (Transitive/Intransitive)
      • To be equal to, or like, something else
      • To compare
      • Noun (Countable/Uncountable)
      • A line on a map a set distance from the equator
      • A similarity; a comparison.
      B1
      More
    • particle

      US /ˈpɑrtɪkəl/

      UK /ˈpɑ:tɪkl/

      • Noun
      • Adverb or preposition that joins with a verb
      • Tiny piece or quantity of something
      B1
      More
    • politely

      US /pəˈlaɪtlɪ/

      UK /pə'laɪtlɪ/

      • Adverb
      • In a manner showing good manners or respect
      A2
      More
    • propose

      US /prəˈpoz/

      UK /prə'pəʊz/

      • Transitive Verb
      • To make an offer of marriage
      • To offer or put forward an idea for consideration
      A2TOEIC
      More
    • reaction

      US /riˈækʃən/

      UK /rɪ'ækʃn/

      • Noun
      • Bodily response to a drug or something eaten
      • Feeling or action in response to something
      A2
      More
    • set out

      US /sɛt aʊt/

      UK /set aut/

      • Phrasal Verb
      • To arrange something in an orderly fashion
      • To give in detail in writing
      A1
      More
    • shrink

      US /ʃrɪŋk/

      UK /ʃrɪŋk/

      • Intransitive Verb
      • To become smaller
      • Noun
      • A rude name for a psychiatrist
      B1
      More
    • speed

      US /spid/

      UK /spi:d/

      • Uncountable Noun
      • How fast or slow something is or is done
      • Verb (Transitive/Intransitive)
      • To move quickly when completing an action
      • To drive a vehicle faster than laws allow
      A2TOEIC
      More
    • speed up

      US /spid ʌp/

      UK /spi:d ʌp/

      • Phrasal Verb
      • To move more quickly
      A2
      More
    • splitting

      US /ˈsplɪtɪŋ/

      UK /ˈsplɪtɪŋ/

      • Verb (Transitive/Intransitive)
      • To become divided or broken along a straight line
      • To cause a cut in (lip, etc.)
      A2
      More
    • sum up

      US

      UK

      • Phrase
      • Phrasal Verb
      • To state the main points of (something) in a concise way.
      A2
      More
    • surface

      US /ˈsɚfəs/

      UK /'sɜ:fɪs/

      • Transitive Verb
      • To give (road) a top layer
      • Intransitive Verb
      • To appear after being hidden, unseen, or unknown
      • To come to the top of something; emerge
      A2TOEIC
      More
    • temperature

      US /ˈtɛmpərəˌtʃʊr,-tʃɚ,ˈtɛmprə-/

      UK /ˈtemprətʃə(r)/

      • Noun (Countable/Uncountable)
      • When you your body heat is above normal
      • How hot or cold something is, e.g. the weather
      A2
      More
    • undergo

      US /ˌʌndərˈgoʊ/

      UK /ˌʌndəˈgəʊ/

      • Verb (Transitive/Intransitive)
      • To experience or endure something (bad)
      • To experience a change or transformation.
      B1
      More
    • velocity

      US /vəˈlɑsɪti/

      UK /və'lɒsətɪ/

      • Noun (Countable/Uncountable)
      • Speed in a given direction
      • The rate of change of an object's position with respect to time; a vector quantity.
      B1
      More
    • vessel

      US /ˈvɛsəl/

      UK /ˈvesl/

      • Countable Noun
      • Container, such as a cup, for holding liquids
      • A ship or boat; something that carries things
      B1TOEIC
      More
    • violent

      US /ˈvaɪələnt/

      UK /ˈvaɪələnt/

      • Adjective
      • Done with force; likely to produce physical damage
      • Using or involving physical force intended to hurt, damage, or kill someone or something.
      A2
      More
    • volume

      US /ˈvɑljum, -jəm/

      UK /ˈvɒlju:m/

      • Noun (Countable/Uncountable)
      • Number or amount of something e.g. sales
      • Amount of space that something takes up
      • Countable Noun
      • One book that is part of a set of books
      A2
      More
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    01:03

    She took a brave step forward, leaving behind her comfort zone to chase her dreams.

    Vocabulary
    • brave

      adj. Having courage

    • comfort zone

      phr. A familiar situation where one feels safe

    Explanation
    a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step". forward is an adverb modifying step, meaning "ahead". The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.

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    brave

    US/brev/
    UK/breɪv/
    adj.Brave
    v.t.To bravely face
    A2 Elementary

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    B1
    #TED-Ed#reaction#harriet#chemical#energy#chemical reaction

    【TED-Ed】How to speed up chemical reactions (and get a date) - Aaron Sams !

    0
    VoiceTube posted on 2013/03/20
    Ever wondered how to make things happen faster, whether it's a chemical reaction or asking someone out? This fun TED-Ed video uses a classroom analogy to explain the science behind speeding up chemical reactions, like collision theory and activation energy. You'll pick up some fantastic vocabulary related to chemistry and everyday situations!

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