Vocabulary

  • on earth: Used to emphasize a question expressing surprise or anger.
  • think about: To consider something carefully.
  • look at: To use your eyes to focus on something
  • go out: To leave a building (e.g. a house)
  • over time: Gradually; as time passes.
  • figure out: To understand the behavior of someone
  • write down: To record in writing
  • back into: To drive a vehicle backwards into a space or area.
  • instead of: When one thing is replaced by another
  • as soon as: In a short time after (something happens)
  • walk through: To show someone carefully how to do something
  • take down: To capture physically
  • come together: To assemble or unite; to start working together.
  • end in: To have something as the final result.
  • know about: To have information or understanding of a subject or situation.
  • in the future: At a later time; in times to come.
  • come back: To reply to someone, often forcefully
  • depending on: To rely on for support (financial or emotional)
  • for someone: On behalf of or intended for a particular person.
  • out there: In or to a place that is far away
  • at least: As a minimum
  • in time: Eventually; after a period of time.
  • quick question: A brief and simple inquiry.
  • make up: To invent or create a story
  • going on: To continue doing something
  • have to: Must do
  • up in the air: Not yet decided or resolved; uncertain.
  • in the air: Present or circulating in the atmosphere.
  • ball up: To crumple something into a ball shape.
  • to do with: To be about something; concern
  • set up
  • apart from: Except for; not considering
  • no matter: Regardless of; it does not matter.
  • land on: To come down to the ground or another surface after flying or falling.
  • in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
  • in different ways: Using various methods or approaches; with variety.
  • figure: To appear in a game, play or event
  • constant: Happening frequently or without pause
  • evidence: Factual proof that helps to establish the truth
  • matter: To be of great importance; to count
  • concept: Abstract idea of something or how it works
  • scale: Size, level, or amount when compared
  • negative: The opposite to a positive electrical charge
  • experiment: Test performed to assess new ideas or theories
  • interfere: To get involved in something not your business
  • split: No longer married or in a relationship
  • current: Electricity flowing through wires
  • neat: That you approve of; cool
  • fundamental: Forming a necessary part, base, or core
  • exotic: Being very different or unusual
  • bit: Device put in a horse's mouth to control it
  • exist: To be present, alive or real
  • absorb: To take up all attention / energy of something
  • field: Area of study, such as physics or biology
  • theory: Ideas or principles that explain facts or events
  • gravity: (Of a situation) extreme seriousness
  • tiny: Very, very small
  • universe: All of space that contains planets and stars
  • orbit: Path an object takes as it circles another object
  • astronaut: Person who travels in space
  • pretty: Being attractive to the eye in a simple way
  • spin: To make a ball rotate when throwing it
  • universal: Existing in all places at all times for all people
  • infinite: Being very large in amount
  • distance: Lack of friendliness toward another person
  • mass: Religious ceremony in some Christian churches
  • string: To tie or connect things together with a thread
  • wanna: Shortened form of 'want to'. Used only in speaking
  • energy: Physical or mental strength
  • haven: Place where people can feel safe and happy
  • fusion: Combining various things to make something new
  • particle: Adverb or preposition that joins with a verb
  • chance: The way something happens without planning
  • quantum: The smallest unit or amount of energy
  • density: Degree to which an area is filled or covered
  • infinity: State of being without end; endless time, space
  • space: Empty area kept for a specific reason, like a car
  • gravitational: Concerning the force of gravity
  • nucleus: Center of an atom
  • fast: In a way that is difficult to move or change
  • explosion: Loud and sudden expression of emotion
  • part: Division of a book
  • understand: To know the meaning of language, what someone says
  • world: All the humans, events, activities on the earth
  • atom: Smallest bit that matter can be broken down into
  • think: To have an idea about something without certainty
  • slit: To make a narrow cut
  • interstellar: Being in the space between stars or star systems
  • dice: To cut food or other things into small pieces
  • physicist: Person who studies and works in physics
  • dilation: Act of making (eyes) more open or expanded
  • laser: Strong narrow beam of high-powered light
  • relativity: Einstein theory about time, space and position
  • fission: Form of nuclear energy where particles combine
  • entangle: To involve in troubles that are hard to escape
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  • not found vocabularyNo vocabulary matches your filters
    • absorb

      US /əbˈsɔrb, -ˈzɔrb/

      UK /əb'sɔ:b/

      • Transitive Verb
      • To take up all attention / energy of something
      • To take in a liquid; soak up
      B1TOEIC
      More
    • apart from

      US /əˈpɑrt frʌm/

      UK /əˈpɑ:t frɔm/

      • Preposition
      • Except for; not considering
      • In addition to; as well as
      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
    • astronaut

      US /ˈæstrəˌnɔt/

      UK /ˈæstrənɔ:t/

      • Countable Noun
      • Person who travels in space
      B2
      More
    • at least

      US /æt list/

      UK /æt li:st/

      • Adverb
      • As a minimum
      • Not less than
      • Phrase
      • No less than; at the minimum
      • Used to indicate that something is positive in a bad situation.
      C2
      More
    • atom

      US /ˈætəm/

      UK /'ætəm/

      • Noun
      • Smallest bit that matter can be broken down into
      B1
      More
    • back into

      US /bæk ˈɪntu/

      UK /bæk ˈɪntuː/

      • Phrasal Verb
      • To drive a vehicle backwards into a space or area.
      • To accidentally collide with something while moving backwards.
      A1
      More
    • ball up

      US /bɔl ʌp/

      UK /bɔ:l ʌp/

      • Phrasal Verb
      • To crumple something into a ball shape.
      • To become confused or nervous; to make a mess of something.
      A1
      More
    • come back

      US /kʌm bæk/

      UK /kʌm bæk/

      • Phrasal Verb
      • To reply to someone, often forcefully
      • To be remembered
      A1
      More
    • come together

      US /kʌm təˈɡɛðɚ/

      UK /kʌm təˈɡeðə/

      • Phrasal Verb
      • To assemble or unite; to start working together.
      • To form a close relationship or bond.
      A1
      More
    • concept

      US /ˈkɑnˌsɛpt/

      UK /'kɒnsept/

      • Noun (Countable/Uncountable)
      • Abstract idea of something or how it works
      • A plan or intention; a conception.
      A2TOEIC
      More
    • constant

      US /ˈkɑnstənt/

      UK /'kɒnstənt/

      • Adjective
      • Happening frequently or without pause
      • Remaining the same over time or not changing.
      • Noun
      • Thing that happens always or at a regular rate
      • A physical quantity that is believed to have a fixed value and is used in calculations.
      A2TOEIC
      More
    • current

      US /ˈkɚrənt, ˈkʌr-/

      UK /'kʌrənt/

      • Uncountable Noun
      • Electricity flowing through wires
      • Movement of water in a river, or air in the sky
      • Adjective
      • Happening or being in the present time
      • In general use or accepted by most people.
      A2
      More
    • density

      US /ˈdɛnsɪti/

      UK /ˈdensəti/

      • Noun (Countable/Uncountable)
      • Degree to which an area is filled or covered
      • The degree of compactness of a substance.
      C1TOEIC
      More
    • depending on

      US

      UK

      • Phrasal Verb
      • To rely on for support (financial or emotional)
      • Influenced or determined by.
      • Preposition
      • Subject to; contingent on
      • Relying on someone or something for support or assistance.
      A2
      More
    • dice

      US /daɪs/

      UK /daɪs/

      • Transitive Verb
      • To cut food or other things into small pieces
      • Noun (plural)
      • Cubes with dots numbering 1-6 on used in games
      B2
      More
    • dilation

      US /daɪ'leɪʃn/

      UK /daɪ'leɪʃn/

      • Noun
      • Act of making (eyes) more open or expanded
      C1
      More
    • distance

      US /ˈdɪstəns/

      UK /'dɪstəns/

      • Uncountable Noun
      • Lack of friendliness toward another person
      • Noun (Countable/Uncountable)
      • Amount of space between two places or things
      • A point or place that is far away.
      A2
      More
    • end in

      US /ɛnd ɪn/

      UK /end in/

      • Phrasal Verb
      • To have something as the final result.
      More
    • energy

      US /ˈɛnədʒi/

      UK /'enədʒɪ/

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

      US /ɛnˈtæŋɡəl/

      UK /ɪnˈtæŋgl/

      • Verb (Transitive/Intransitive)
      • To involve in troubles that are hard to escape
      • (Of rope, string) to be tied in a way hard to undo
      B2TOEIC
      More
    • exotic

      US /ɪɡ'zɑ:tɪk/

      UK /ɪɡ'zɒtɪk/

      • Adjective
      • Being very different or unusual
      • Strange because from a different area of the world
      B1
      More
    • experiment

      US /ɪkˈspɛrəmənt/

      UK /ɪk'sperɪmənt/

      • Noun (Countable/Uncountable)
      • Test performed to assess new ideas or theories
      • A course of action tentatively adopted without being sure of the eventual outcome.
      • Verb (Transitive/Intransitive)
      • To create and perform tests to research something
      • To try something new that you haven't tried before
      A2TOEIC
      More
    • explosion

      US /ɪkˈsploʒən/

      UK /ɪkˈspləʊʒn/

      • Noun (Countable/Uncountable)
      • Loud and sudden expression of emotion
      • Sudden increase of something
      B1
      More
    • figure out

      US /ˈfɪɡjɚ aʊt/

      UK /ˈfiɡə aut/

      • Phrasal Verb
      • To understand the behavior of someone
      • To think through logically to find a solution
      • Verb (Transitive/Intransitive)
      • To understand or find an answer to something.
      • To find a solution to a problem or understand something.
      A1
      More
    • fission

      US /ˈfɪʃən/

      UK /ˈfɪʃn/

      • Noun
      • Form of nuclear energy where particles combine
      C1TOEIC
      More
    • for someone

      US /fɚ ˈsʌmwʌn/

      UK /fə ˈsʌmwʌn/

      • other
      • On behalf of or intended for a particular person.
      A1
      More
    • fundamental

      US /ˌfʌndəˈmɛntl/

      UK /ˌfʌndəˈmentl/

      • Adjective
      • Forming a necessary part, base, or core
      • Of central importance.
      • Noun (Countable/Uncountable)
      • A basic part of something
      • (Music) the lowest note in a harmony
      A2TOEIC
      More
    • fusion

      US /ˈfjuʒən/

      UK /ˈfju:ʒn/

      • Noun (Countable/Uncountable)
      • Combining various things to make something new
      • The process in which light atomic nuclei combine to form a heavier nucleus, releasing large amounts of energy.
      B2
      More
    • go out

      US /ɡo aʊt/

      UK /ɡəu aut/

      • Phrase
      • To leave a building (e.g. a house)
      • Phrasal Verb
      • (Of a fire) to burn out; be extinguished
      • Go out of fashion to stop being fashionable
      A1
      More
    • going on

      US /ˈɡoɪŋ ɑn/

      UK /ˈgəʊɪŋ ɔn/

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

      US /ˌɡrævɪˈteɪʃənl/

      UK /ˌgrævɪˈteɪʃənl/

      • Adjective
      • Concerning the force of gravity
      C1
      More
    • gravity

      US /ˈɡrævɪti/

      UK /ˈgrævəti/

      • Uncountable Noun
      • (Of a situation) extreme seriousness
      • Force making things fall towards the ground
      B1TOEIC
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • in different ways

      US

      UK

      • Phrase
      • Using various methods or approaches; with variety.
      • In varying manners or styles; not uniformly.
      A1
      More
    • in the air

      US

      UK

      • Phrase
      • Present or circulating in the atmosphere.
      • Felt or sensed by many people; circulating as a rumor or feeling.
      • Adjective
      • Being broadcast on radio or television.
      A1
      More
    • in the future

      US /ɪn ði ˈfjutʃɚ/

      UK /in ðə ˈfju:tʃə/

      • Phrase
      • At a later time; in times to come.
      A1
      More
    • in the world

      US /ɪn ði wɜrld/

      UK /in ðə wɜː(r)ld/

      • Phrase
      • Used to emphasize a question expressing surprise, confusion, or disbelief.
      • Used to indicate the extent or degree of something, often in a superlative sense.
      A1
      More
    • in time

      US /ɪn taɪm/

      UK /in taim/

      • Adverb
      • Eventually; after a period of time.
      • Not late; with enough time to spare.
      • Phrase
      • Eventually; before it is too late.
      • According to the scheduled time; punctual.
      A1
      More
    • infinite

      US /ˈɪnfənɪt/

      UK /'ɪnfɪnət/

      • Adjective
      • Being very large in amount
      • Without an end; limitless; endless
      B2
      More
    • infinity

      US /ɪnˈfɪnɪti/

      UK /ɪn'fɪnətɪ/

      • Uncountable Noun
      • State of being without end; endless time, space
      B2
      More
    • instead of

      US /ɪnˈstɛd ʌv/

      UK /inˈsted ɔv/

      • Preposition
      • When one thing is replaced by another
      • Adverb
      • As a substitute or alternative.
      A1
      More
    • interfere

      US /ˌɪntɚˈfɪr/

      UK /ˌɪntə'fɪə(r)/

      • Intransitive Verb
      • To get involved in something not your business
      • Transitive Verb
      • To prevent a process or activity from continuing or being carried out properly.
      B1TOEIC
      More
    • interstellar

      US /ˌɪntərˈstelə(r)/

      UK /ˌɪntəˈstelə(r)/

      • Adjective
      • Being in the space between stars or star systems
      C1
      More
    • know about

      US /noʊ əˈbaʊt/

      UK /nəʊ əˈbaut/

      • Phrasal Verb
      • To have information or understanding of a subject or situation.
      More
    • land on

      US

      UK

      • Phrasal Verb
      • To come down to the ground or another surface after flying or falling.
      • To criticize someone severely.
      B1
      More
    • laser

      US /ˈlezɚ/

      UK /ˈleɪzə(r)/

      • Noun (Countable/Uncountable)
      • Strong narrow beam of high-powered light
      • A device that emits a narrow beam of coherent light.
      • Transitive Verb
      • To treat with a laser.
      • To cut or engrave with a laser.
      B1
      More
    • look at

      US /lʊk æt/

      UK /luk æt/

      • Phrasal Verb
      • To use your eyes to focus on something
      • To focus your eyes on something carefully
      A1
      More
    • make up

      US /mek ʌp/

      UK /meik ʌp/

      • Phrasal Verb
      • To invent or create a story
      • To add up to
      • Verb (Transitive/Intransitive)
      • To invent a story, excuse, etc.
      • To compensate for something lost, missed, or deficient.
      A1
      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
    • neat

      US /nit/

      UK /ni:t/

      • Adjective
      • That you approve of; cool
      • (Of alcohol) not weakened with water or a mixer
      A2
      More
    • negative

      US /ˈnɛɡətɪv/

      UK /'neɡətɪv/

      • Noun
      • The opposite to a positive electrical charge
      • In grammar, containing words such as 'no' or 'not'
      • Adjective
      • Being harmful, unwanted or unhelpful
      • In mathematics, being less than zero
      A2
      More
    • no matter

      US

      UK

      • Conjunction
      • Regardless of; it does not matter.
      • Adverb
      • Regardless of; it is not important
      A1
      More
    • nucleus

      US /ˈnu:kliəs/

      UK /ˈnju:kliəs/

      • Noun
      • Center of an atom
      • Control center of a cell
      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
    • orbit

      US /ˈɔrbɪt/

      UK /'ɔ:bɪt/

      • Noun
      • Path an object takes as it circles another object
      • The sphere of influence or control; range.
      • Intransitive Verb
      • To go around another object (often in space)
      B2
      More
    • out there

      US /aʊt ðɛr/

      UK /aut ðɛə/

      • Adverb
      • In or to a place that is far away
      • Existing in the universe
      • Adjective
      • Unconventional; strange; avant-garde
      • Existing or available.
      A1
      More
    • over time

      US /ˈovɚ taɪm/

      UK /ˈəuvə taim/

      • Phrase
      • Gradually; as time passes.
      • During a long period.
      • Adverb
      • Gradually; as time passes.
      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
    • physicist

      US /ˈfɪzɪsɪst/

      UK /ˈfɪzɪsɪst/

      • Noun
      • Person who studies and works in physics
      B2
      More
    • quantum

      US /ˈkwɑ:ntəm/

      UK /ˈkwɒntəm/

      • Noun (Countable/Uncountable)
      • The smallest unit or amount of energy
      B2
      More
    • quick question

      US

      UK

      • Noun (Countable/Uncountable)
      • A brief and simple inquiry.
      • Phrase
      • An introductory phrase indicating a question requiring a prompt answer.
      A1
      More
    • relativity

      US /ˌrɛləˈtɪvɪti/

      UK /ˌreləˈtɪvəti/

      • Uncountable Noun
      • Einstein theory about time, space and position
      • The state of being relative; dependence on a frame of reference.
      C2
      More
    • scale

      US /skel/

      UK /skeɪl/

      • Noun (Countable/Uncountable)
      • Size, level, or amount when compared
      • Small hard plates that cover the body of fish
      • Verb (Transitive/Intransitive)
      • To change the size of but keep the proportions
      • To climb something large (e.g. a mountain)
      A2TOEIC
      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
    • slit

      US /slɪt/

      UK /slɪt/

      • Transitive Verb
      • To make a narrow cut
      B2
      More
    • spin

      US /spɪn/

      UK /spɪn/

      • Verb (Transitive/Intransitive)
      • To make a ball rotate when throwing it
      • To move something in a rapid turning motion
      • Intransitive Verb
      • To feel dizzy/confused, as in my head is spinning
      B1
      More
    • split

      US /splɪt/

      UK /splɪt/

      • Adjective
      • No longer married or in a relationship
      • (Injured) by cutting it open, as in someone's lip
      • Verb (Transitive/Intransitive)
      • To become divided or broken along a straight line
      • To cause a cut in (lip, etc.)
      A2
      More
    • string

      US /strɪŋ/

      UK /strɪŋ/

      • Transitive Verb
      • To tie or connect things together with a thread
      • Noun (Countable/Uncountable)
      • A line of connected objects
      • Thick thread; thin rope
      A2
      More
    • take down

      US /tek daʊn/

      UK /teik daun/

      • Phrasal Verb
      • To capture physically
      • To break something into pieces, e.g. a radio
      A1
      More
    • theory

      US /ˈθiəri, ˈθɪri/

      UK /ˈθiəri/

      • Noun (Countable/Uncountable)
      • Ideas or principles that explain facts or events
      • An idea or belief about something
      A2TOEIC
      More
    • think about

      US /θɪŋk əˈbaʊt/

      UK /θiŋk əˈbaut/

      • Phrasal Verb
      • To consider something carefully.
      • To remember or call to mind.
      A1
      More
    • tiny

      US /ˈtaɪni/

      UK /'taɪnɪ/

      • Adjective
      • Very, very small
      A2
      More
    • to do with

      US

      UK

      • Phrasal Verb
      • To be about something; concern
      A1
      More
    • universal

      US /ˌjunəˈvɚsəl/

      UK /ˌju:nɪˈvɜ:sl/

      • Adjective
      • Existing in all places at all times for all people
      • Done or experienced by everyone
      • Noun (Countable/Uncountable)
      • Things which apply equally to everyone
      • A general term, idea, or concept applicable to many particular things.
      A2
      More
    • universe

      US /ˈjunəˌvɚs/

      UK /ˈju:nɪvɜ:s/

      • Noun (Countable/Uncountable)
      • All of space that contains planets and stars
      • Things surrounding a person, affecting their life
      B2
      More
    • up in the air

      US

      UK

      • Adjective
      • Not yet decided or resolved; uncertain.
      • Idiom
      • In an uncertain state; unresolved.
      More
    • walk through

      US /wɔk θru/

      UK /wɔ:k θru:/

      • Phrasal Verb
      • To show someone carefully how to do something
      A1
      More
    • wanna

      US /ˈwɑnə/

      UK /'wɒnə/

      • Verb (Transitive/Intransitive)
      • Shortened form of 'want to'. Used only in speaking
      B2
      More
    • write down

      US /raɪt daʊn/

      UK /rait daun/

      • Phrasal Verb
      • To record in writing
      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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    #space time#asks#quantum#universe#speed#particle

    物理学者だけど「宇宙の神秘」について質問ある? | Tech Support | WIRED Japan

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    林宜悉 posted on 2025/03/16
    Ever wondered about black holes or gravitational waves? This video features a physicist answering all your burning questions about the universe, from quantum mechanics to space-time! You'll pick up some seriously cool advanced vocabulary while learning about mind-bending physics concepts.

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