Vocabulary

  • of course: Sure ; Certainly
  • free up: To make something available for a particular use.
  • in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
  • die out: To disappear completely; to become extinct
  • by hand: Done manually; not by machine.
  • with it: Intelligent, alert, and up-to-date.
  • instead of: When one thing is replaced by another
  • as for: Concerning; regarding.
  • make of: To understand or have an opinion about something
  • year: Unit of time equal to 12 months or 365 or 366 days
  • tell: To (strongly) advise a person to do something
  • clean: Completely; entirely
  • yearly: Once a year; every 365 days
  • small: Little in size; not big
  • number: Symbols such as 1, 2, 56, 793
  • machine: Piece of equipment used to do work
  • kill: To cause someone to experience a lot of pain
  • king: Person considered the best or top at something
  • mistaken: To understand someone or something incorrectly
  • own: To have something as your property
  • story: One of many floors or levels in a building
  • fact: Something that is known or proved to be true
  • pound: The # key on a keyboard
  • worker: Person who works
  • improve: To make, or become, something better
  • engine: Machine that changes energy into mechanical motion
  • believe: To think or accept that something is true
  • cotton: Soft, white material used to make cloth
  • invention: Something new that is different from other things
  • explode: To express an emotion in a sudden and loud way
  • demand: Desire customers have to buy product, service
  • economic: Concerning trade, industry, and money
  • inefficient: Unable to act in a way that saves resources
  • depend: Be controlled or determined by (someone/something)
  • reduce: To try to decrease, e.g. your weight if overweight
  • employed: To use something for a specific task
  • count: To add things together to find the total number
  • fight: To argue or quarrel with someone about something
  • elementary: Basic, simple, or essential
  • delivery: Way someone acts when speaking publicly
  • prove: To demonstrate truth by providing evidence
  • exist: To be present, alive or real
  • production: Process of producing or growing food naturally
  • revolution: When a group overthrows an existing government
  • slave: Someone who is legally owned by another person
  • ban: To make something illegal or not allowed
  • tragically: In a very sad manner, usually due to a death
  • acquire: To get or earn something by thinking or working
  • inventor: Person who creates new machines, systems etc.
  • cloth: Piece of material used for cleaning, etc.
  • tutor: A teacher who deals with students personally
  • peculiar: Not usual or normal; strange
  • harvest: Gathering crops from the fields; the crops
  • institution: Organization created for a particular aim/purpose
  • consume: To eat, drink, buy or use up something
  • expand: To make something larger in size, number, amount
  • tragic: (Of a play, movie, or book) with a sad ending
  • slavery: State or condition of being a slave
  • labor: To struggle to do something because it's difficult
  • exceed: To be greater in number, degree than something
  • tedious: Being uninteresting and taking a long time; boring
  • accomplish: To succeed in doing; complete successfully
  • overwhelmed: To defeat something or someone completely
  • Republic: A country governed by elected representatives
  • equation: Mathematical statement showing things to be equal
  • innovation: Process of creating new ideas or inventions
  • underway: Happening now
  • output: Amount of something that is produced
  • gin: Strong colorless alcohol made from grain
  • lint: Fabric with nap on one side, used to dress wounds
  • bale: Large amount of material wrapped or tied together
  • patent: Legal protection for inventions or ideas
  • eureka: (Greek) I have found it! (e.g. of a discovery)
  • census: Survey to collect data about people in an area
  • propel: To push, or make move in a certain direction
  • diaper: Towel/paper for baby's bottom for urine/feces
  • mechanically: In a machine-like manner; without feeling
  • crank: Device for turning
  • eve: The time just before something happens
  • boom: Very fast increase in growth or popularity
Placeholder Image

Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • accomplish

      US /əˈkɑmplɪʃ/

      UK /ə'kʌmplɪʃ/

      • Transitive Verb
      • To succeed in doing; complete successfully
      B1TOEIC
      More
    • acquire

      US /əˈkwaɪr/

      UK /ə'kwaɪə(r)/

      • Transitive Verb
      • To get or earn something by thinking or working
      • To develop or learn a skill, habit, or quality.
      A2TOEIC
      More
    • as for

      US /æz fɔr/

      UK /æz fɔ:/

      • Preposition
      • Concerning; regarding.
      • Phrase
      • Used to introduce a new topic or aspect of a subject.
      A1
      More
    • bale

      US /bel/

      UK /beɪl/

      • Noun (Countable/Uncountable)
      • Large amount of material wrapped or tied together
      • Transitive Verb
      • To make something into a bale shape
      B2
      More
    • ban

      US /bæn/

      UK /bæn/

      • Transitive Verb
      • To make something illegal or not allowed
      • To prohibit someone from participating in a particular online community or game.
      • Noun (Countable/Uncountable)
      • Official action preventing something happening
      • A prohibition from participating in a particular online community or game.
      B1
      More
    • boom

      US /bum/

      UK /bu:m/

      • Noun (Countable/Uncountable)
      • Very fast increase in growth or popularity
      • A very loud and deep sound
      • Intransitive Verb
      • To experience a rapid increase in growth
      • To make a very loud and deep sound
      B1
      More
    • by hand

      US /baɪ hænd/

      UK /bai hænd/

      • Phrase
      • Done manually; not by machine.
      • Delivered personally; not by mail or electronically.
      A1
      More
    • census

      US /ˈsɛnsəs/

      UK /ˈsensəs/

      • Noun (Countable/Uncountable)
      • Survey to collect data about people in an area
      B2
      More
    • cloth

      US /klɔθ, klɑθ/

      UK /klɔθ/

      • Noun (Countable/Uncountable)
      • Piece of material used for cleaning, etc.
      • Material made by weaving fibers to make clothes
      B1
      More
    • consume

      US /kənˈsum/

      UK /kən'sju:m/

      • Transitive Verb
      • To eat, drink, buy or use up something
      • To take all your energy; focus the attention
      A2TOEIC
      More
    • cotton

      US /ˈkɑ:tn/

      UK /ˈkɒtn/

      • Uncountable Noun
      • Soft, white material used to make cloth
      • Adjective
      • (Of clothes) made of a soft white material
      A2
      More
    • count

      US /kaʊnt/

      UK /kaʊnt/

      • Verb (Transitive/Intransitive)
      • To add things together to find the total number
      • To matter or be important
      • Countable Noun
      • Number of things added together, e.g. votes
      • With the number of crimes, knockouts, as stated
      A2
      More
    • crank

      US /kræŋk/

      UK /kræŋk/

      • Noun
      • Device for turning
      B2
      More
    • delivery

      US /dɪˈlɪvəri, -ˈlɪvri/

      UK /dɪˈlɪvəri/

      • Noun
      • Way someone acts when speaking publicly
      • Act of taking something to a person or place
      A2TOEIC
      More
    • demand

      US /dɪˈmænd/

      UK /dɪ'mɑ:nd/

      • Noun (Countable/Uncountable)
      • Desire customers have to buy product, service
      • A strong request for someone to do something
      • Transitive Verb
      • To strongly request someone to do something
      • To need something.
      A2TOEIC
      More
    • depend

      US /dɪˈpend/

      UK /dɪˈpend/

      • Verb (Transitive/Intransitive)
      • Be controlled or determined by (someone/something)
      • To rely on someone or something for support, help, or existence.
      B1TOEIC
      More
    • diaper

      US /ˈdaɪəpɚ, ˈdaɪpɚ/

      UK /'daɪəpə(r)/

      • Noun
      • Towel/paper for baby's bottom for urine/feces
      • Transitive Verb
      • To put a diaper on a baby.
      • To decorate with a repeating pattern.
      C1
      More
    • die out

      US /daɪ aʊt/

      UK /dai aut/

      • Phrasal Verb
      • To disappear completely; to become extinct
      A1
      More
    • economic

      US /ˌɛkəˈnɑmɪk, ˌikə-/

      UK /ˌi:kəˈnɒmɪk/

      • Adjective
      • Concerning trade, industry, and money
      • Financially worthwhile; profitable.
      • Noun
      • A system relating to economics
      • A factor relating to economics
      A2
      More
    • elementary

      US /ˌɛləˈmɛntəri, -tri/

      UK /ˌelɪˈmentri/

      • Adjective
      • Basic, simple, or essential
      • Relating to the first stages of education.
      B2TOEIC
      More
    • engine

      US /ˈɛndʒɪn/

      UK /'endʒɪn/

      • Noun (Countable/Uncountable)
      • Machine that changes energy into mechanical motion
      • The part of a train that pulls railway cars
      A2TOEIC
      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
    • eve

      US /i:v/

      UK /i:v/

      • Noun
      • The time just before something happens
      • Day before a significant or special day
      • Proper Noun
      • Person's name
      B1
      More
    • exceed

      US /ɪkˈsid/

      UK /ɪk'si:d/

      • Transitive Verb
      • To be greater in number, degree than something
      • To go above or beyond a limit or rule
      B1TOEIC
      More
    • expand

      US /ɪkˈspænd/

      UK /ɪk'spænd/

      • Verb (Transitive/Intransitive)
      • To make something larger in size, number, amount
      A2TOEIC
      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
    • free up

      US

      UK

      • Phrasal Verb
      • To make something available for a particular use.
      • To make time or resources available.
      A1
      More
    • gin

      US /dʒɪn/

      UK /dʒɪn/

      • Uncountable Noun
      • Strong colorless alcohol made from grain
      • Transitive Verb
      • To remove the seeds from cotton using a cotton gin.
      B2
      More
    • harvest

      US /ˈhɑ:rvɪst/

      UK /ˈhɑ:vɪst/

      • Noun (Countable/Uncountable)
      • Gathering crops from the fields; the crops
      • The time of year to bring crops in from the fields
      • Transitive Verb
      • To gather ripe crops in from the fields
      • To obtain or collect something.
      B1TOEIC
      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
    • inefficient

      US /ˌɪnɪˈfɪʃənt/

      UK /ˌɪnɪˈfɪʃnt/

      • Adjective
      • Unable to act in a way that saves resources
      B1
      More
    • innovation

      US /ˌɪnəˈveʃən/

      UK /ˌɪnəˈveɪʃn/

      • Uncountable Noun
      • Process of creating new ideas or inventions
      • A new thing or method that is introduced.
      B1TOEIC
      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
    • institution

      US /ˌɪnstɪˈtuʃən, -ˈtju-/

      UK /ˌɪnstɪˈtju:ʃn/

      • Noun (Countable/Uncountable)
      • Organization created for a particular aim/purpose
      • Tradition, custom or system accepted by a group
      A2TOEIC
      More
    • invention

      US /ɪnˈvɛnʃən/

      UK /ɪnˈvenʃn/

      • Noun (Countable/Uncountable)
      • Something new that is different from other things
      • Power or ability to create new things
      A2TOEIC
      More
    • inventor

      US /ɪnˈventə(r)/

      UK /ɪnˈventə(r)/

      • Noun
      • Person who creates new machines, systems etc.
      A2TOEIC
      More
    • lint

      US /lɪnt/

      UK /lɪnt/

      • Uncountable Noun
      • Fabric with nap on one side, used to dress wounds
      C2
      More
    • make of

      US /mek ʌv/

      UK /meik ɔv/

      • Phrasal Verb
      • To understand or have an opinion about something
      • To create or produce something from a particular material
      A1
      More
    • mechanically

      US /mɪˈkænɪkəlɪ/

      UK /mə'kænɪklɪ/

      • Adverb
      • In a machine-like manner; without feeling
      • By or like the use of machines; automatically
      B1
      More
    • of course

      US /ʌv kɔː(r)s/

      UK /ɔv kɔː(r)s/

      • Adverb
      • Sure ; Certainly
      • Phrase
      • For sure; certainly
      A2
      More
    • output

      US /ˈaʊtˌpʊt/

      UK /'aʊtpʊt/

      • Noun (Countable/Uncountable)
      • Amount of something that is produced
      • Transitive Verb
      • To produce data or information, as a computer
      A2TOEIC
      More
    • overwhelmed

      US /ˌoʊ.vɚˈwɛlmd/

      UK /ˌəʊ.vəˈwɛlmd/

      • Transitive Verb
      • To defeat something or someone completely
      • To affect someone emotionally in a strong way
      • Adjective
      • Feeling like you have so much to do that you can't even get started.
      • Feeling like you are unable to cope with something
      B2
      More
    • patent

      US /ˈpætnt/

      UK /ˈpætnt/

      • Noun (Countable/Uncountable)
      • Legal protection for inventions or ideas
      • Transitive Verb
      • To obtain legal protection for inventions or ideas
      B2
      More
    • peculiar

      US /pɪˈkjuljɚ/

      UK /pɪ'kju:lɪə(r)/

      • Adjective
      • Not usual or normal; strange
      B1TOEIC
      More
    • production

      US /prəˈdʌkʃən, pro-/

      UK /prəˈdʌkʃn/

      • Uncountable Noun
      • Process of producing or growing food naturally
      • Process of making something on a large scale
      A2TOEIC
      More
    • propel

      US /prəˈpɛl/

      UK /prəˈpel/

      • Transitive Verb
      • To push, or make move in a certain direction
      B1
      More
    • prove

      US /pruv/

      UK /pru:v/

      • Transitive Verb
      • To demonstrate truth by providing evidence
      • To test the quality or worth of something.
      • Intransitive Verb
      • To turn out to be; be found to be.
      A2TOEIC
      More
    • reduce

      US /rɪˈdus, -ˈdjus/

      UK /rɪ'dju:s/

      • Verb (Transitive/Intransitive)
      • To try to decrease, e.g. your weight if overweight
      • To boil a liquid until it has decreased in amount
      A2TOEIC
      More
    • Republic

      US /rɪˈpʌblɪk/

      UK /rɪ'pʌblɪk/

      • Noun
      • A country governed by elected representatives
      B1
      More
    • revolution

      US /ˌrɛvəˈluʃən/

      UK /ˌrevə'lu:ʃn/

      • Noun
      • When a group overthrows an existing government
      • Sudden or significant change in something
      B1
      More
    • slave

      US /slev/

      UK /sleɪv/

      • Countable Noun
      • Someone who is legally owned by another person
      • A person who is controlled by something.
      • Intransitive Verb
      • To work very hard.
      B1
      More
    • slavery

      US /ˈslevəri, ˈslevri/

      UK /ˈsleɪvəri/

      • Uncountable Noun
      • State or condition of being a slave
      B1
      More
    • tedious

      US /ˈtidiəs/

      UK /ˈti:diəs/

      • Adjective
      • Being uninteresting and taking a long time; boring
      B2
      More
    • tragic

      US /ˈtrædʒɪk/

      UK /ˈtrædʒɪk/

      • Adjective
      • (Of a play, movie, or book) with a sad ending
      • Causing great sadness, e.g. due to untimely death
      B1
      More
    • tragically

      US /ˈtrædʒɪkl:ɪ/

      UK /'trædʒɪklɪ/

      • Adverb
      • In a very sad manner, usually due to a death
      B1
      More
    • tutor

      US /ˈtu:tə(r)/

      UK /ˈtju:tə(r)/

      • Noun
      • A teacher who deals with students personally
      • Transitive Verb
      • To give private instruction to someone
      B1
      More
    • underway

      US /ˌʌndɚˈwe/

      UK /ˌʌndəˈweɪ/

      • Adverb
      • Happening now
      B2TOEIC
      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
    • yearly

      US /ˈjɪrli/

      UK /'jɪəlɪ/

      • Adverb
      • Once a year; every 365 days
      A2TOEIC
      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
    B2
    #TED-Ed#cotton#gin#whitney#america#machine

    【TED-Ed】How inventions change history (for better and for worse) - Kenneth C. Davis

    0
    VoiceTube posted on 2013/07/19
    Ever wonder how one invention can change the world, for better *and* for worse? This fascinating TED-Ed video dives into the incredible story of the Cotton Gin and Eli Whitney, exploring its huge impact on the Industrial Revolution and the unintended consequences that followed. You'll pick up some great advanced vocabulary while learning about a pivotal moment in history!

    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