Vocabulary

  • diet coke: A sugar-free version of Coca-Cola.
  • outside of: Located or situated beyond the boundaries or confines of something.
  • in charge: To be responsible for
  • used to: Did regularly before, but don't do now
  • based on: To use something as the foundation or starting point for something else.
  • at once: Immediately; without delay
  • build up: To increase the amount; collect something
  • to do with: To be about something; concern
  • break up
  • set up
  • start off: To begin or commence something.
  • in theory: According to the stated ideas or principles
  • found out: To learn or discover something, often after some effort.
  • for example: As an illustration or instance.
  • pass through: To experience something, often unpleasant or difficult.
  • as soon as: In a short time after (something happens)
  • of a sudden: Quickly and unexpectedly; suddenly.
  • give out: To be used up; have nothing left; fail
  • play cupid: To try to bring two people together as a couple; to act as a matchmaker.
  • in the presence of: While someone or something else is present.
  • going on: To continue doing something
  • thanks to: Because of; as a result of.
  • have to: Must do
  • in general: Typically; usually; on the whole.
  • talking about: To discuss a particular topic.
  • same time: Occurring simultaneously or at the same point in time.
  • with it: Intelligent, alert, and up-to-date.
  • back down: To admit you were wrong; stop claiming
  • shaving cream
  • go to town: To do something enthusiastically and thoroughly.
  • reaches out: To attempt to communicate with someone.
  • reach out: To attempt to communicate with someone.
  • on earth: Used to emphasize a question expressing surprise or anger.
  • go away: To go on vacation
  • just kind of: Used to express a feeling or state in a vague or hesitant way.
  • essentially: Basically; (said when stating the basic facts)
  • absolutely: Completely; totally; very
  • present: Being in attendance; being there; having turned up
  • slightly: Only a little
  • pattern: Model to follow in making or doing something
  • reputation: Common opinion that people have about someone
  • solid: Being able to be trusted; reliable
  • hormone: Chemical produced by the body to control functions
  • increase: To make or become larger in size or amount
  • molecule: Two or more atoms chemically combined
  • fluid: A material that can easily flow, e.g. water
  • brain: To strike someone forcefully on the head
  • reach: To come to or arrive at a goal or destination
  • state: Region within a country, with its own government
  • pregnant: Carrying your unborn baby inside you
  • refer: To talk about or write about something
  • dense: Very thick and difficult to see, get through
  • charge: To run quickly toward someone to attack them
  • generate: To create or be produced or bring into existence
  • reaction: Bodily response to a drug or something eaten
  • stir: To arouse (attention or interest)
  • mass: Religious ceremony in some Christian churches
  • break: To create a new record e.g. running the 100m dash
  • diet: To eat special or less food, as to lose weight
  • oxygen: A gas in the air that we need to breathe
  • solution: Mix of a liquid and a solid or a gas
  • slam: To criticize sharply
  • object: Something you can see or touch, but is not alive
  • pregnancy: When a woman carries her unborn baby inside her
  • sodium: A soft, white chemical element
  • activate: To cause to happen; cause a chemical reaction
  • credit: System to buy something and pay for it later
  • bottom: The part of your body you sit on
  • chemical: Basic substance produced by mixing elements
  • dioxide: An oxide containing two oxides per molecule
  • carbon: Chemical element with an atomic number of 6
  • kind: In a caring and helpful manner
  • explode: To express an emotion in a sudden and loud way
  • chemistry: The study of the structure of substances
  • piece: A counter in a board game
  • liver: Organ from animals served as food
  • glow: Pink color in the face, e.g. from exercise/emotion
  • pick: Sharp tool used for breaking the ground
  • question: To ask for or try to get information
  • potassium: A common, soft, silvery white metal with many uses
  • space: Empty area kept for a specific reason, like a car
  • nucleus: Center of an atom
  • lava: Very hot liquid rock flowing from a volcano
  • happen: To take place or occur
  • give: Degree of flexibility in something, a material
  • add: To include as well
  • buffer: Data in computer memory allowing fast access
  • kernel: Central small part or aspect, e.g. of truth
  • kinetic: Of or relating to movement
  • hand: Cards given to a player in a card game
  • chlorine: Greenish-yellow gas with a strong smell
  • call: A order or request for action
  • sulfur: Smelly yellow chemical often found near volcanoes
  • evaporation: Changing from a liquid into a gas, e.g. steam
  • popcorn: Small-eared corn that burst in dry heat
  • slime: Thick slippery substance, often rather disgusting
  • skunk: Animal that emits a bad smell when frightened
  • nitrate: Salt or ester of nitric acid
  • soda: Sweet bubbly flavored drink
  • candy: Small sweet foods made mostly of sugar
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  • not found vocabularyNo vocabulary matches your filters
    • absolutely

      US /ˈæbsəˌlutli, ˌæbsəˈlutli/

      UK /ˈæbsəlu:tli/

      • Adverb
      • Completely; totally; very
      • Considered independently and without relation to other things; viewed abstractly; as, quantity absolutely considered.
      A2
      More
    • activate

      US /ˈæktəˌvet/

      UK /ˈæktɪveɪt/

      • Transitive Verb
      • To cause to happen; cause a chemical reaction
      • To make something start working
      B1
      More
    • as soon as

      US /æz sun æz/

      UK /æz su:n æz/

      • Phrase
      • In a short time after (something happens)
      • Without any delay; immediately
      • Conjunction
      • At the moment that, or immediately after.
      A1
      More
    • at once

      US /æt wʌns/

      UK /æt wʌns/

      • Adverb
      • Immediately; without delay
      • At the same time; simultaneously
      A2
      More
    • back down

      US /bæk daʊn/

      UK /bæk daun/

      • Phrasal Verb
      • To admit you were wrong; stop claiming
      A1
      More
    • based on

      US

      UK

      • Phrasal Verb
      • To use something as the foundation or starting point for something else.
      • Preposition
      • Using something as the main idea or foundation.
      • Relying on something as evidence or justification.
      A1
      More
    • bottom

      US /ˈbɑtəm/

      UK /'bɒtəm/

      • Noun
      • The part of your body you sit on
      • Lowest position, often in a company or contest
      • Verb (Transitive/Intransitive)
      • To hit the lowest part of something
      • To provide with a bottom.
      A2TOEIC
      More
    • break up

      US /brek ʌp/

      UK /breik ʌp/

      • Phrase
      • Phrasal Verb
      • (Of party, relationship) to come to an end
      • To end something, e.g. a fight
      A1
      More
    • buffer

      US /ˈbʌfɚ/

      UK /ˈbʌfə(r)/

      • Noun (Countable/Uncountable)
      • Data in computer memory allowing fast access
      • Protection to prevent things mixing
      • Transitive Verb
      • To store data in special memory for fast access
      • To protect a thing by separating it from
      B2
      More
    • build up

      US /bɪld ʌp/

      UK /bild ʌp/

      • Phrasal Verb
      • To increase the amount; collect something
      • To develop or increase something in stages
      • Verb (Transitive/Intransitive)
      • To increase or develop something gradually.
      • To praise or encourage someone.
      A1
      More
    • candy

      US /ˈkændi/

      UK /ˈkændi/

      • Countable Noun
      • Small sweet foods made mostly of sugar
      • Transitive Verb
      • To coat food with sugar
      B2
      More
    • carbon

      US /ˈkɑrbən/

      UK /'kɑ:bən/

      • Uncountable Noun
      • Chemical element with an atomic number of 6
      B1
      More
    • charge

      US /tʃɑrdʒ/

      UK /tʃɑ:dʒ/

      • Verb (Transitive/Intransitive)
      • To run quickly toward someone to attack them
      • To ask for money as a price for a service or goods
      • Noun (Countable/Uncountable)
      • An attack by running quickly toward someone
      • A price for a service or goods
      A2
      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
    • chemistry

      US /ˈkɛmɪstri/

      UK /'kemɪstrɪ/

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

      US /ˈklɔːrˌiːn/

      UK /ˈklɔ:ri:n/

      • Uncountable Noun
      • Greenish-yellow gas with a strong smell
      B2
      More
    • credit

      US /ˈkrɛdɪt/

      UK /'kredɪt/

      • Noun (Countable/Uncountable)
      • System to buy something and pay for it later
      • Points earned instead of money
      • Transitive Verb
      • To add a certain amount of money to a total
      • To recognize someone's achievements or help
      A2
      More
    • dense

      US /dɛns/

      UK /dens/

      • Adjective
      • Very thick and difficult to see, get through
      • Hard to understand
      B1TOEIC
      More
    • diet

      US /ˈdaɪɪt/

      UK /'daɪət/

      • Intransitive Verb
      • To eat special or less food, as to lose weight
      • Noun (Countable/Uncountable)
      • Plan of eating to reduce weight or improve health
      • The usual food and drink consumed by an organism (person or animal)
      A2TOEIC
      More
    • diet coke

      US

      UK

      • Noun
      • A sugar-free version of Coca-Cola.
      B1
      More
    • dioxide

      US /daɪˈɑksaɪd/

      UK /daɪˈɒksaɪd/

      • Noun
      • An oxide containing two oxides per molecule
      B2
      More
    • essentially

      US /ɪˈsenʃəli/

      UK /ɪˈsenʃəli/

      • Adverb
      • Basically; (said when stating the basic facts)
      • Used to emphasize the basic truth or fact of a situation.
      A2
      More
    • evaporation

      US /ɪˌvæpəˈreʃən/

      UK /ɪˌvæpə'reɪʃn/

      • Uncountable Noun
      • Changing from a liquid into a gas, e.g. steam
      B2
      More
    • explode

      US /ɪkˈsplod/

      UK /ɪk'spləʊd/

      • Verb (Transitive/Intransitive)
      • To express an emotion in a sudden and loud way
      • To increase in number or amount very quickly
      B1
      More
    • fluid

      US /ˈfluɪd/

      UK /'flu:ɪd/

      • Noun (Countable/Uncountable)
      • A material that can easily flow, e.g. water
      • Liquid that flows smoothly, such as water
      • Adjective
      • Able to move smoothly or gracefully
      • Liable to change; unstable.
      B2
      More
    • for example

      US

      UK

      • Phrase
      • As an illustration or instance.
      More
    • found out

      US

      UK

      • Phrasal Verb
      • To learn or discover something, often after some effort.
      • To become known; be revealed.
      B2
      More
    • generate

      US /ˈdʒɛnəˌret/

      UK /ˈdʒenəreɪt/

      • Transitive Verb
      • To create or be produced or bring into existence
      • To create electricity, heat, energy and power
      A2TOEIC
      More
    • give out

      US /ɡɪv aʊt/

      UK /ɡiv aut/

      • Phrasal Verb
      • To be used up; have nothing left; fail
      • To publicly state something
      A1
      More
    • glow

      US /ɡlo/

      UK /ɡləʊ/

      • Noun
      • Pink color in the face, e.g. from exercise/emotion
      • Pleasant feeling, as of happiness or satisfaction
      • Intransitive Verb
      • To look very healthy and contented
      • To emit a steady even light
      B1
      More
    • go away

      US /ɡo əˈwe/

      UK /ɡəu əˈwei/

      • Phrasal Verb
      • To go on vacation
      • To leave; depart.
      A1
      More
    • go to town

      US

      UK

      • Verb (Transitive/Intransitive)
      • To do something enthusiastically and thoroughly.
      • To travel to a nearby town or city.
      A1
      More
    • going on

      US /ˈɡoɪŋ ɑn/

      UK /ˈgəʊɪŋ ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      A1
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • hormone

      US /ˈhɔrˌmon/

      UK /'hɔ:məʊn/

      • Noun
      • Chemical produced by the body to control functions
      B2
      More
    • in charge

      US /ɪn tʃɑrdʒ/

      UK /in tʃɑ:dʒ/

      • Adverb
      • To be responsible for
      A1
      More
    • in general

      US /ɪn ˈdʒɛnərəl/

      UK /in ˈdʒenərəl/

      • Phrase
      • Typically; usually; on the whole.
      • Not specific or detailed; broadly.
      • Adjective
      • Not detailed or specific; overall.
      C2
      More
    • in the presence of

      US /ɪn ðə ˈprɛzəns ʌv/

      UK /in ðə ˈprezəns ɔv/

      • Preposition
      • While someone or something else is present.
      B1
      More
    • in theory

      US /ɪn ˈθiəri/

      UK /in ˈθiəri/

      • Adverb
      • According to the stated ideas or principles
      • Phrase
      • According to the theoretical possibilities rather than actual practice.
      B2
      More
    • just kind of

      US

      UK

      • Phrase
      • Used to express a feeling or state in a vague or hesitant way.
      • Used to indicate something is approximately or generally similar to something else.
      A2
      More
    • kernel

      US /ˈkɜ:rnl/

      UK /ˈkɜ:nl/

      • Noun (Countable/Uncountable)
      • Central small part or aspect, e.g. of truth
      • The central part of an operating system that manages the system's resources.
      C1
      More
    • kinetic

      US /kɪˈnɛtɪk, kaɪ-/

      UK /kɪˈnetɪk/

      • Adjective
      • Of or relating to movement
      C1
      More
    • lava

      US /'lɑ:və/

      UK /ˈlɑ:və/

      • Uncountable Noun
      • Very hot liquid rock flowing from a volcano
      B2
      More
    • liver

      US /ˈlɪvɚ/

      UK /ˈlɪvə(r)/

      • Noun (Countable/Uncountable)
      • Organ from animals served as food
      • Organ that absorbs food and cleans the blood
      B1
      More
    • mass

      US /mæs/

      UK /mæs/

      • Noun (Countable/Uncountable)
      • Religious ceremony in some Christian churches
      • Large amount or number of something
      • Transitive Verb
      • To gather people or things into a large group
      B1
      More
    • molecule

      US /ˈmɑlɪˌkjul/

      UK /ˈmɒlɪkju:l/

      • Noun
      • Two or more atoms chemically combined
      B2
      More
    • nitrate

      US /ˈnaɪˌtret, -trɪt/

      UK /'naɪtreɪt/

      • Noun
      • Salt or ester of nitric acid
      B2
      More
    • nucleus

      US /ˈnu:kliəs/

      UK /ˈnju:kliəs/

      • Noun
      • Center of an atom
      • Control center of a cell
      B2
      More
    • object

      US /ˈɑbdʒɪkt/

      UK /'ɒbdʒɪkt/

      • Noun (Countable/Uncountable)
      • Something you can see or touch, but is not alive
      • Goal or purpose of a particular plan or activity
      • Verb (Transitive/Intransitive)
      • To disagree; to protest against an idea or plan
      • To state one's reason for disagreement
      A2TOEIC
      More
    • of a sudden

      US

      UK

      • Phrase
      • Quickly and unexpectedly; suddenly.
      B2
      More
    • on earth

      US /ɑn ɚθ/

      UK /ɔn ə:θ/

      • Phrase
      • Used to emphasize a question expressing surprise or anger.
      • Used to emphasize that something is not possible or will not happen.
      A1
      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
    • oxygen

      US /ˈɑksɪdʒən/

      UK /'ɒksɪdʒən/

      • Uncountable Noun
      • A gas in the air that we need to breathe
      • Oxygen administered as a medical treatment.
      B1
      More
    • pass through

      US /pæs θru/

      UK /pɑ:s θru:/

      • Phrasal Verb
      • To experience something, often unpleasant or difficult.
      • To go through something; to move from one side to the other of something.
      A2
      More
    • pattern

      US /ˈpætən/

      UK /'pætn/

      • Noun (Countable/Uncountable)
      • Model to follow in making or doing something
      • Colors or shapes which are repeated on objects
      • Transitive Verb
      • To copy the way something else is made
      • To decorate with a pattern.
      A2TOEIC
      More
    • play cupid

      US

      UK

      • Verb (Transitive/Intransitive)
      • To try to bring two people together as a couple; to act as a matchmaker.
      More
    • popcorn

      US /ˈpɑ:pkɔ:rn/

      UK /ˈpɒpkɔ:n/

      • Noun (Countable/Uncountable)
      • Small-eared corn that burst in dry heat
      C2
      More
    • potassium

      US /pəˈtæsiəm/

      UK /pəˈtæsiəm/

      • Uncountable Noun
      • A common, soft, silvery white metal with many uses
      • Potassium as a nutrient found in food.
      B2
      More
    • pregnancy

      US /ˈprɛɡnənsi/

      UK /ˈpregnənsi/

      • Uncountable Noun
      • When a woman carries her unborn baby inside her
      • A specific instance or period of being pregnant.
      B1
      More
    • pregnant

      US /ˈprɛɡnənt/

      UK /ˈpregnənt/

      • Adjective
      • Carrying your unborn baby inside you
      • Full of meaning or significance; suggestive.
      B1
      More
    • reach

      US /ritʃ/

      UK /ri:tʃ/

      • Verb (Transitive/Intransitive)
      • To come to or arrive at a goal or destination
      • To be long enough to get to a certain place
      • Uncountable Noun
      • Power or control someone has over something
      A2TOEIC
      More
    • reach out

      US /ritʃ aʊt/

      UK /ri:tʃ aut/

      • Phrasal Verb
      • To attempt to communicate with someone.
      • To offer help and support to someone.
      B1
      More
    • reaches out

      US

      UK

      • Phrasal Verb
      • To attempt to communicate with someone.
      • To offer help and support to someone.
      A1
      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
    • refer

      US /rɪˈfɚ/

      UK /rɪ'fɜ:(r)/

      • Verb (Transitive/Intransitive)
      • To talk about or write about something
      • To give information about something
      A2TOEIC
      More
    • reputation

      US /ˌrɛpjəˈteʃən/

      UK /ˌrepjuˈteɪʃn/

      • Noun (Countable/Uncountable)
      • Common opinion that people have about someone
      • A widespread belief that someone or something has a particular characteristic.
      B1TOEIC
      More
    • same time

      US

      UK

      • Phrase
      • Occurring simultaneously or at the same point in time.
      • At the identical time as before; recurring at a fixed hour.
      • Noun
      • An equal duration or period.
      A1
      More
    • set up

      US /sɛt ʌp/

      UK /set ʌp/

      • Phrasal Verb
      • To make arrangements for something; establish
      • Verb (Transitive/Intransitive)
      • To arrange or prepare something for use.
      • To start a business, organization, etc.
      A1
      More
    • shaving cream

      US

      UK

      • Noun
      B1
      More
    • skunk

      US

      UK

      • Noun
      • Animal that emits a bad smell when frightened
      • Transitive Verb
      • To defeat someone or a team overwhelmingly
      C1
      More
    • slam

      US /slæm/

      UK /slæm/

      • Transitive Verb
      • To criticize sharply
      • To shut with a lot of force, making a loud noise
      • Noun
      • Act or sound of closing a door, etc. violently
      B1
      More
    • slightly

      US /ˈslaɪtli/

      UK /ˈslaɪtli/

      • Adverb
      • Only a little
      B1
      More
    • slime

      US /slaɪm/

      UK /slaɪm/

      • Uncountable Noun
      • Thick slippery substance, often rather disgusting
      B2
      More
    • soda

      US /ˈsoʊdə/

      UK /ˈsəʊdə/

      • Noun (Countable/Uncountable)
      • Sweet bubbly flavored drink
      B2
      More
    • sodium

      US /ˈsodiəm/

      UK /'səʊdɪəm/

      • Uncountable Noun
      • A soft, white chemical element
      B2
      More
    • solid

      US /ˈsɑlɪd/

      UK /'sɒlɪd/

      • Adjective
      • Being able to be trusted; reliable
      • Substance that is hard or of fixed shape
      • Noun
      • Something firm or hard; not gas or liquid
      A2
      More
    • solution

      US /səˈluʃən/

      UK /səˈlu:ʃn/

      • Noun (Countable/Uncountable)
      • Mix of a liquid and a solid or a gas
      • Way to solve or deal with a problem
      A2
      More
    • start off

      US /stɑrt ɔf/

      UK /stɑ:t ɔf/

      • Phrasal Verb
      • To begin or commence something.
      • To begin a journey.
      B2
      More
    • stir

      US /stɚ/

      UK /stɜ:(r)/

      • Transitive Verb
      • To arouse (attention or interest)
      • To mix e.g. food by making circular movements
      • Uncountable Noun
      • Attention or interest aroused by an event
      B1
      More
    • sulfur

      US /ˈsʌlfɚ/

      UK /'sʌlfə/

      • Uncountable Noun
      • Smelly yellow chemical often found near volcanoes
      C2
      More
    • talking about

      US

      UK

      • Phrasal Verb
      • To discuss a particular topic.
      • To be constantly mentioning or bringing up a subject.
      A1
      More
    • thanks to

      US /θæŋks tu/

      UK /θæŋks tu:/

      • Preposition
      • Because of; as a result of.
      A1
      More
    • to do with

      US

      UK

      • Phrasal Verb
      • To be about something; concern
      A1
      More
    • used to

      US /juzd tu/

      UK /ˈju:st tə/

      • Adjective
      • Did regularly before, but don't do now
      • Auxiliary Verb
      • Have done before, but do not do now
      A1
      More
    • with it

      US /wɪð ɪt/

      UK /wið it/

      • Adjective
      • Intelligent, alert, and up-to-date.
      • Understanding and knowledgeable about current trends or information.
      A1
      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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    #chemistry#carbon#water#carbon dioxide#dioxide#molecule

    化学者だけど質問ある? | Tech Support | WIRED Japan

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    林宜悉 posted on 2025/03/20
    Ever wondered about the science behind everyday things like Diet Coke and Mentos or even how pregnancy tests work? Dive into this fun Q&A with a chemist to get clear explanations and pick up some cool new vocabulary along the way!

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