Vocabulary

  • of course: Sure ; Certainly
  • figure out: To understand the behavior of someone
  • look at: To use your eyes to focus on something
  • in terms of
  • at least: As a minimum
  • go on: To continue doing something
  • into space: Toward or entering the region beyond Earth's atmosphere.
  • on to: Toward something; forward
  • in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
  • by extension: Using a word or phrase in a wider context than is usual, typically to include situations that are similar to the one that the word or phrase was originally used for.
  • on the surface: Appearing to be true or real until examined more closely.
  • rather than: More exactly; more correctly
  • after all: In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
  • soak up: To absorb; to become filled with (something)
  • cry out: To shout or scream loudly, often due to pain, fear, or surprise.
  • entire: Complete or full; with no part left out; whole
  • figure: To appear in a game, play or event
  • critical: Making a negative judgment of something
  • force: Group of persons trained for military action; army
  • expect: To believe something is probably going to happen
  • strike: To hit something
  • epic: Going on for a long time; awe-inspiring
  • escape: Act to briefly ignoring boring or bad things
  • frame: To make a person that is not guilty appear guilty
  • similar: Nearly the same; alike
  • franchise: Right to run a business using name of a company
  • address: Exact street location of a place
  • surface: To give (road) a top layer
  • require: To demand that someone does something
  • involve: To have or be included as a part of something
  • compare: To consider how similar and different things are
  • substantial: (Of a meal) able to satisfy your hunger; filling
  • manner: The way a person acts, talks, or behaves
  • planet: One of the bodies that orbit the sun
  • pretty: Being attractive to the eye in a simple way
  • mass: Religious ceremony in some Christian churches
  • bust: To arrest people involved in crime
  • span: Distance between two supports of a bridge
  • equation: Mathematical statement showing things to be equal
  • soak: To make something completely wet
  • accelerate: To cause to occur earlier than expected
  • energy: Physical or mental strength
  • gauge: A tool used to measure things
  • destroy: To damage so badly that something no longer exists
  • velocity: Speed in a given direction
  • square: Shape with 4 equal length sides and 4 equal angles
  • destruction: Act of destroying; damaging beyond repair
  • arrest: To attract someone's attention and hold interest
  • emit: To release or send out (a gas, etc.)
  • science: Study of the physical world, based on facts
  • fantasy: Something imagined and very different from reality
  • system: Set of organized, planned ideas that work together
  • simple: Not hard to understand or do; not complex
  • explode: To express an emotion in a sudden and loud way
  • extension: Addition to something, e.g. a house
  • shut: To stop being open for business
  • 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
  • ultra: Prefix that denotes a lot of something; extreme
  • empire: Group of countries controlled by one government
  • bore: To accept (responsibilities or duties)
  • plasma: Substance in which the blood cells are carried
  • invoke: To appeal for help/protection to higher authority
  • visually: With respect to vision
  • life: All the living things e.g. animals, plants, humans
  • beam: To send out information, signals, or light
  • overboard: Going over the side of a boat or ship into the sea
  • calculate: To find an answer using mathematics
  • earth: Wire connecting an electrical device to the ground
  • interstellar: Being in the space between stars or star systems
  • rock: To be greatly upset by something, e.g. a death
  • kinetic: Of or relating to movement
  • baseline: Imaginary standard by which things are compared
  • radius: Area around a certain point
  • workplace: Place where work is done
  • magma: Hot liquid rock from the Earth's crust
  • planetary: Concerning the orbital characteristics of a planet
  • calculus: Branch of math dealing with rates of change, etc.
  • spaceship: Spacecraft designed to travel into space
Placeholder Image

    Preparing usage notes, please check back later

  • 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
    • after all

      US /ˈæftɚ ɔl/

      UK /ˈɑ:ftə ɔ:l/

      • Adverb
      • In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
      • Considering everything; used to indicate that something is happening or is true despite some difficulty or obstacle
      • Phrase
      • Despite what was expected or thought; in spite of everything.
      • Taking everything into consideration; considering that.
      B1
      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
    • baseline

      US /ˈbeɪslaɪn/

      UK /ˈbeɪslaɪn/

      • Noun
      • Imaginary standard by which things are compared
      C1
      More
    • beam

      US /bim/

      UK /bi:m/

      • Transitive Verb
      • To send out information, signals, or light
      • Noun (Countable/Uncountable)
      • A long piece of metal or wood used in construction
      • A line of light or energy
      B1
      More
    • bust

      US /bʌst/

      UK /bʌst/

      • Transitive Verb
      • To arrest people involved in crime
      • To break something with force
      • Noun
      • A woman's chest or breasts
      B2
      More
    • by extension

      US /baɪ ɪkˈstɛnʃən/

      UK /bai iksˈtenʃən/

      • Phrase
      • Using a word or phrase in a wider context than is usual, typically to include situations that are similar to the one that the word or phrase was originally used for.
      A2
      More
    • calculate

      US /ˈkælkjəˌlet/

      UK /'kælkjʊleɪt/

      • Transitive Verb
      • To find an answer using mathematics
      • To make an educated guess about something
      B2
      More
    • calculus

      US /ˈkælkjələs/

      UK /ˈkælkjələs/

      • Uncountable Noun
      • Branch of math dealing with rates of change, etc.
      C1
      More
    • critical

      US /ˈkrɪtɪkəl/

      UK /ˈkrɪtɪkl/

      • Adjective
      • Making a negative judgment of something
      • Being important or serious; vital; dangerous
      A2
      More
    • cry out

      US /kraɪ aʊt/

      UK /krai aut/

      • Phrasal Verb
      • To shout or scream loudly, often due to pain, fear, or surprise.
      • To protest or object strongly and publicly.
      A1
      More
    • destroy

      US /dɪˈstrɔɪ/

      UK /dɪ'strɔɪ/

      • Transitive Verb
      • To damage so badly that something no longer exists
      • To defeat someone or something easily
      A2TOEIC
      More
    • destruction

      US /dɪˈstrʌkʃən/

      UK /dɪ'strʌkʃn/

      • Noun
      • Act of destroying; damaging beyond repair
      • The state of being destroyed or ruined.
      B1TOEIC
      More
    • emit

      US /ɪˈmɪt/

      UK /ɪ'mɪt/

      • Transitive Verb
      • To release or send out (a gas, etc.)
      B1
      More
    • empire

      US /ˈɛmˌpaɪr/

      UK /ˈempaɪə(r)/

      • Countable Noun
      • Group of countries controlled by one government
      • A large and important business or group of businesses owned by one person or company.
      • Adjective
      • A style of dress with a high waistline, just below the bust.
      B1
      More
    • energy

      US /ˈɛnədʒi/

      UK /'enədʒɪ/

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

      US /ɛnˈtaɪr/

      UK /ɪn'taɪə(r)/

      • Adjective
      • Complete or full; with no part left out; whole
      • Undivided; not shared or distributed.
      A2TOEIC
      More
    • epic

      US /ˈɛpɪk/

      UK /'epɪk/

      • Adjective
      • Going on for a long time; awe-inspiring
      • Noun
      • A long story, often about many people and events
      B2
      More
    • equation

      US /ɪˈkweʒən, -ʃən/

      UK /ɪˈkweɪʒn/

      • Noun (Countable/Uncountable)
      • Mathematical statement showing things to be equal
      • Complex set of different facts, ideas or issues
      B1
      More
    • escape

      US /ɪˈskep/

      UK /ɪ'skeɪp/

      • Noun (Countable/Uncountable)
      • Act to briefly ignoring boring or bad things
      • The 'esc key' on a keyboard
      • Verb (Transitive/Intransitive)
      • To avoid something undesirable, dangerous or bad
      • To get away from a place where you are being kept
      A2
      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
    • extension

      US /ɪkˈstɛnʃən/

      UK /ɪkˈstenʃn/

      • Noun
      • Addition to something, e.g. a house
      • Suffix code of a computer file, e.g. .pdf, .jpg
      • Adjective
      • Adding extra length
      B1TOEIC
      More
    • fantasy

      US /ˈfæntəsi, -zi/

      UK /'fæntəsɪ/

      • Noun (Countable/Uncountable)
      • Something imagined and very different from reality
      • Work of literature set in an unreal world
      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
    • frame

      US /frem/

      UK /freɪm/

      • Transitive Verb
      • To make a person that is not guilty appear guilty
      • To put say or write something in a careful way
      • Noun (Countable/Uncountable)
      • Structure that holds a picture or photo
      • A person's body shape determined by their skeleton
      A2TOEIC
      More
    • franchise

      US /ˈfrænˌtʃaɪz/

      UK /'fræntʃaɪz/

      • Noun
      • Right to run a business using name of a company
      • A right or license granted to an individual or group to market a company's goods or services in a particular territory.
      • Transitive Verb
      • To sell the use of a brand to run a company
      B2TOEIC
      More
    • gauge

      US /ɡedʒ/

      UK /ɡeɪdʒ/

      • Countable Noun
      • A tool used to measure things
      • The distance between the rails of a railway track.
      • Transitive Verb
      • To measure or make a judgment about something
      • To assess or estimate (a situation or person's feelings).
      B2TOEIC
      More
    • go on

      US /ɡo ɑn/

      UK /ɡəu ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      • Interjection
      • Used to encourage someone
      A1
      More
    • gravitational

      US /ˌɡrævɪˈteɪʃənl/

      UK /ˌgrævɪˈteɪʃənl/

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

      US /ɪn fækt/

      UK /in fækt/

      • Adverb
      • Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
      • Used to introduce a more detailed or surprising piece of information.
      • Phrase
      • Used to emphasize the truth of a statement, especially one that is surprising or contrary to what might be expected.
      C1
      More
    • in terms of

      US

      UK

      • Phrase
      • With regard to; concerning a particular aspect.
      A1
      More
    • infinity

      US /ɪnˈfɪnɪti/

      UK /ɪn'fɪnətɪ/

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

      US /ˌɪntərˈstelə(r)/

      UK /ˌɪntəˈstelə(r)/

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

      US

      UK

      • Phrase
      • Toward or entering the region beyond Earth's atmosphere.
      • Figuratively, entering a realm of imagination or abstraction.
      A1
      More
    • invoke

      US /ɪnˈvok/

      UK /ɪn'vəʊk/

      • Transitive Verb
      • To appeal for help/protection to higher authority
      • To use a law, concept, or right to achieve a goal
      B1
      More
    • involve

      US /ɪnˈvɑlv/

      UK /ɪn'vɒlv/

      • Transitive Verb
      • To have or be included as a part of something
      • To cause (a person or group) to take part in an event or activity.
      A2TOEIC
      More
    • kinetic

      US /kɪˈnɛtɪk, kaɪ-/

      UK /kɪˈnetɪk/

      • Adjective
      • Of or relating to movement
      C1
      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
    • magma

      US /'mæɡmə/

      UK /'mæɡmə/

      • Uncountable Noun
      • Hot liquid rock from the Earth's crust
      B2
      More
    • manner

      US /ˈmænɚ/

      UK /ˈmænə(r)/

      • Noun
      • The way a person acts, talks, or behaves
      • Polite and respectful behavior to others
      A2TOEIC
      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
    • of course

      US /ʌv kɔː(r)s/

      UK /ɔv kɔː(r)s/

      • Adverb
      • Sure ; Certainly
      • Phrase
      • For sure; certainly
      A2
      More
    • on the surface

      US /ɑn ði ˈsɚfəs/

      UK /ɔn ðə ˈsə:fis/

      • Phrase
      • Appearing to be true or real until examined more closely.
      • Located on the outer part or uppermost layer of something.
      B2
      More
    • on to

      US /ɑn tu/

      UK /ɔn tu:/

      • Preposition
      • Toward something; forward
      • Aware of someone's activities.
      • Adjective
      • Aware of someone's deception or illegal activities.
      A1
      More
    • overboard

      US

      UK

      • Adverb
      • Going over the side of a boat or ship into the sea
      C1
      More
    • planet

      US /ˈplænɪt/

      UK /'plænɪt/

      • Noun (Countable/Uncountable)
      • One of the bodies that orbit the sun
      • A different world or sphere of existence.
      • Proper Noun
      • The earth.
      A2
      More
    • planetary

      US /ˈplænɪˌtɛri/

      UK /ˈplænətri/

      • Adjective
      • Concerning the orbital characteristics of a planet
      B2
      More
    • plasma

      US /ˈplæzmə/

      UK /ˈplæzmə/

      • Uncountable Noun
      • Substance in which the blood cells are carried
      • Gas-like substance with little electric charge
      B2
      More
    • radius

      US /ˈrediəs/

      UK /ˈreɪdiəs/

      • Noun (Countable/Uncountable)
      • Area around a certain point
      • Countable Noun
      • Long bone on the thumb side of your lower arm
      • Line from the center to the edge of a circle
      B2
      More
    • rather than

      US

      UK

      • Adverb
      • More exactly; more correctly
      • Preferably; instead
      • Preposition
      • Instead of
      A1
      More
    • require

      US /rɪˈkwaɪr/

      UK /rɪ'kwaɪə(r)/

      • Transitive Verb
      • To demand that someone does something
      • To need to do something, to make it necessary
      A2TOEIC
      More
    • science

      US /ˈsaɪəns/

      UK /'saɪəns/

      • Uncountable Noun
      • Study of the physical world, based on facts
      A2TOEIC
      More
    • shut

      US /ʃʌt/

      UK /ʃʌt/

      • Intransitive Verb
      • To stop being open for business
      • Transitive Verb
      • To close something, e.g. a door
      A2
      More
    • soak

      US /sok/

      UK /səʊk/

      • Transitive Verb
      • To make something completely wet
      • To place something in liquid for a period of time
      • Noun
      • Placement in liquid for a period of time
      B1
      More
    • soak up

      US /sok ʌp/

      UK /səuk ʌp/

      • Phrasal Verb
      • To absorb; to become filled with (something)
      • To enjoy an experience.
      B1
      More
    • spaceship

      US /ˈspesˌʃɪp/

      UK /ˈspeɪsʃɪp/

      • Noun
      • Spacecraft designed to travel into space
      C2
      More
    • span

      US /spæn/

      UK /spæn/

      • Noun (Countable/Uncountable)
      • Distance between two supports of a bridge
      • Period of time that something continues for
      • Verb (Transitive/Intransitive)
      • To go across a certain distance between things
      • To cover or extend over a time period
      B1TOEIC
      More
    • square

      US /skwɛr/

      UK /skweə(r)/

      • Noun (Countable/Uncountable)
      • Shape with 4 equal length sides and 4 equal angles
      • The result of multiplying Length by the width
      • Adjective
      • Being fair or honest
      • Multiply a number by itself e.g. 2x2 or 6x6
      A2TOEIC
      More
    • strike

      US /straɪk/

      UK /straɪk/

      • Transitive Verb
      • To hit something
      • To remove or erase.
      • Noun (Countable/Uncountable)
      • A punch or hit
      • Fact of not hitting the ball when playing baseball
      A2TOEIC
      More
    • substantial

      US /səbˈstænʃəl/

      UK /səbˈstænʃl/

      • Adjective
      • (Of a meal) able to satisfy your hunger; filling
      • Being large in degree, quantity, or size
      C2TOEIC
      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
    • ultra

      US /'ʌltrə/

      UK /'ʌltrə/

      • Prefix
      • Prefix that denotes a lot of something; extreme
      B2
      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
    • visually

      US /ˈvɪʒʊəlɪ/

      UK /'vɪʒʊəlɪ/

      • Adverb
      • With respect to vision
      • In a way that involves images or visual representation.
      B1
      More
    • workplace

      US /ˈwɚkˌples/

      UK /ˈwɜ:kpleɪs/

      • Noun (Countable/Uncountable)
      • Place where work is done
      B2
      More
    Video not in English?
    Video not in English?

    Get the full experience in the app

    Learn anywhere with detailed sentence and usage analysis

    preview
    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.

    Get the full experience in the app

    Look up words anytime with pronunciation, part of speech, and usage

    preview

    brave

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

    Get the full experience in the app

    Practice speaking anytime and get instant pronunciation feedback

    preview

    Try this speaking exercise.

    Try practicing with this sentence.

    80
    B1US
    #planet#star#energy#escape velocity#destroy#velocity

    How Much Power Do You Need To Destroy A Planet?

    0
    Harvey Pan posted on 2021/06/25
    Ever wondered how much power it would *really* take to blow up a planet like in Star Wars? This video dives deep into the physics, explaining concepts like gravitational binding energy and escape velocity with awesome vocabulary you'll want to pick up! It's a fantastic chance to boost your advanced vocabulary while exploring some seriously cool science.

    Learn this video on the APP!

    The VoiceTube App has more in-depth practice for videos!

    Recommended Videos

    Auto Next Video

    Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved