Vocabulary

  • think about: To consider something carefully.
  • draw in: To attract or entice someone or something.
  • in red: Marked or written using the colour red.
  • move down: To physically shift to a lower position or location.
  • go ahead: To start an activity; start doing, working etc.
  • look at: To use your eyes to focus on something
  • deal with
  • have at: To attack someone or something.
  • due to: Because of; owing to
  • off of: From a position on something; down from.
  • set on: To attack
  • to the left: In or toward the left direction.
  • have to: Must do
  • stuff: Generic description for things, materials, objects
  • approach: To get close to reaching something or somewhere
  • flip: To turn your body in the air, as in gymnastics
  • develop: To explain something in steps and in detail
  • relationship: Connection between two or more people or things
  • stare: To look at someone or something for a long time
  • compound: Series of buildings that are walled or fenced off
  • bond: Rope, chain or other thing used to tie someone up
  • interaction: Process of people or things affecting each other
  • occur: To come to pass or to happen
  • draw: To attract attention to someone or something
  • deal: To cope with something - usually troubles
  • direction: When someone tells people what to do
  • form: Sports team or person's current winning record
  • reaction: Bodily response to a drug or something eaten
  • due: When something is required or expected
  • lead: Wire for electricity, computer, etc.; cable
  • relate: To demonstrate a logical relationship between
  • leave: To go away from; depart
  • haven: Place where people can feel safe and happy
  • notice: To become aware by sight, touch, or hearing
  • carbon: Chemical element with an atomic number of 6
  • prefer: To like something better than something else
  • relative: Measured or considered in comparison to another
  • dash: To hit against something with a lot of force
  • hydrogen: Lightest of all chemical elements
  • stand: To be a candidate in an election
  • sketch: Brief account of something without many details
  • change: To exchange one set of clothes for another
  • set: Prepared for something; ready
  • rule: Something that is normal and usually happens
  • space: Empty area kept for a specific reason, like a car
  • product: Item that can be bought
  • highlight: Best or most interesting part of something
  • pair: Two of the same thing, e.g. socks
  • stabilize: To make stable/consistent, with no major changes
  • bridge: Structure built over river, road so you can cross
  • symbolize: To represent to show a thing's essential character
  • video: Recording capturing action with sound
  • stabilization: Making something stable, e.g. body's condition
  • magenta: Deep purplish red
  • pi: The ratio of the circumference to the diameter
Placeholder Image

Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • approach

      US /əˈprəʊtʃ/

      UK /ə'prəʊtʃ/

      • Verb (Transitive/Intransitive)
      • To get close to reaching something or somewhere
      • To request someone to do something specific
      • Noun (Countable/Uncountable)
      • Means of reaching a place, often a road or path
      • Request of someone with a specific goal in mind
      A2TOEIC
      More
    • bond

      US /bɑnd/

      UK /bɒnd/

      • Noun (Countable/Uncountable)
      • Rope, chain or other thing used to tie someone up
      • Closeness that is shared between people or groups
      • Verb (Transitive/Intransitive)
      • To develop a close relationship with
      • To become joined or connected, e.g. using glue
      A2TOEIC
      More
    • bridge

      US /brɪdʒ/

      UK /brɪdʒ/

      • Noun
      • Structure built over river, road so you can cross
      • Transitive Verb
      • To make a link between; bring together
      A2
      More
    • carbon

      US /ˈkɑrbən/

      UK /'kɑ:bən/

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

      US /kɑmˈpaUnd/

      UK /'kɒmpaʊnd/

      • Noun (Countable/Uncountable)
      • Series of buildings that are walled or fenced off
      • Chemical made up of several others
      • Transitive Verb
      • To pay interest on a loan including the interest
      • To make something from various parts or components
      B1
      More
    • dash

      US /dæʃ/

      UK /dæʃ/

      • Verb (Transitive/Intransitive)
      • To hit against something with a lot of force
      • To destroy or damage a feeling, such as hope
      • Noun
      • Hyphen e.g. '-'; or space
      • Act of running quickly towards a particular place
      B1TOEIC
      More
    • deal with

      US /dil wɪð/

      UK /di:l wið/

      • Verb (Transitive/Intransitive)
      • To buy or sell goods or services.
      • Phrasal Verb
      • To take action to solve a problem or manage a situation.
      • To be about; concern.
      A1
      More
    • direction

      US /dɪˈrɛkʃən, daɪ-/

      UK /də'rekʃn/

      • Noun (Countable/Uncountable)
      • When someone tells people what to do
      • Describes the way you are going, e.g. North
      A2TOEIC
      More
    • draw in

      US /drɔ ɪn/

      UK /drɔ: in/

      • Phrasal Verb
      • To attract or entice someone or something.
      • To involve someone in a situation, often unwillingly.
      A1
      More
    • due to

      US /du tu/

      UK /dju: tu:/

      • Preposition
      • Because of; owing to
      • Adjective
      • Attributable to; caused by.
      A1
      More
    • flip

      US /flɪp/

      UK /flɪp/

      • Verb (Transitive/Intransitive)
      • To turn your body in the air, as in gymnastics
      • To move into a different position quickly
      • Noun
      • Act of turning your body in the air; somersault
      • Movement of something from one position to another
      B2
      More
    • go ahead

      US /ɡo əˈhɛd/

      UK /ɡəu əˈhed/

      • Phrasal Verb
      • To start an activity; start doing, working etc.
      • To give permission to do something
      • Intransitive Verb
      • To start or proceed with something
      • To proceed despite potential obstacles or doubts.
      A1
      More
    • have at

      US

      UK

      • Phrasal Verb
      • To attack someone or something.
      • To begin doing something with enthusiasm.
      A1
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • highlight

      US /ˈhaɪˌlaɪt/

      UK /ˈhaɪlaɪt/

      • Noun (Countable/Uncountable)
      • Best or most interesting part of something
      • Spot or section lighter than the area around it
      • Transitive Verb
      • To use chemicals to make some hair a lighter color
      • To make people aware of a problem, subject, issue
      A2
      More
    • hydrogen

      US /ˈhaɪdrədʒən/

      UK /ˈhaɪdrədʒən/

      • Uncountable Noun
      • Lightest of all chemical elements
      B1
      More
    • in red

      US /ɪn rɛd/

      UK /in red/

      • Phrase
      • Marked or written using the colour red.
      • Adjective
      • Operating at a financial loss; in debt.
      More
    • interaction

      US /ˌɪntɚˈækʃən/

      UK /ˌɪntər'ækʃn/

      • Noun (Countable/Uncountable)
      • Process of people or things affecting each other
      • The activity of talking to other people, working together etc
      A2
      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
    • magenta

      US /məˈdʒɛntə/

      UK /məˈdʒentə/

      • Noun
      • Deep purplish red
      C1
      More
    • move down

      US

      UK

      • Phrasal Verb
      • To physically shift to a lower position or location.
      • To be demoted or reduced in rank or status.
      A1
      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
    • off of

      US /ɔf ʌv/

      UK /ɔf ɔv/

      • Preposition
      • From a position on something; down from.
      A1
      More
    • pair

      US /per/

      UK /peə(r)/

      • Countable Noun
      • Two of the same thing, e.g. socks
      • Two people viewed together for some reason; couple
      • Transitive Verb
      • To put two things or people together
      A2TOEIC
      More
    • pi

      US /paɪ/

      UK /paɪ/

      • Noun
      • The ratio of the circumference to the diameter
      B2
      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
    • relate

      US /rɪˈlet/

      UK /rɪ'leɪt/

      • Transitive Verb
      • To demonstrate a logical relationship between
      • To understand or sympathize with, e.g. a problem
      A2TOEIC
      More
    • relationship

      US /rɪˈleʃənˌʃɪp/

      UK /rɪˈleɪʃnʃɪp/

      • Noun (Countable/Uncountable)
      • Connection between two or more people or things
      • Way people interact or live with each other
      A2TOEIC
      More
    • relative

      US /ˈrɛlətɪv/

      UK /ˈrelətɪv/

      • Adjective
      • Measured or considered in comparison to another
      • (Grammar) referring to words that appear earlier
      • Countable Noun
      • Members of the family
      • Humans or animals sharing the same family history
      A2
      More
    • rule

      US /ruːl/

      UK /ruːl/

      • Noun (Countable/Uncountable)
      • Something that is normal and usually happens
      • Governmental control or power over a region
      • Verb (Transitive/Intransitive)
      • To decide legally, especially in court
      • To have control or influence
      A2TOEIC
      More
    • set on

      US /sɛt ɑn/

      UK /set ɔn/

      • Phrasal Verb
      • To attack
      • To cause someone to want to do something.
      A1
      More
    • sketch

      US /skɛtʃ/

      UK /sketʃ/

      • Noun
      • Brief account of something without many details
      • A drawing made quickly that lacks detail
      • Transitive Verb
      • To make a rough plan or idea of something
      • To draw images roughly with a pencil
      B1
      More
    • stabilization

      US /ˌsteɪbəlaɪ'zeɪʃn/

      UK /ˌsteɪbəlaɪ'zeɪʃn/

      • Uncountable Noun
      • Making something stable, e.g. body's condition
      C2
      More
    • stabilize

      US /ˈstebəˌlaɪz/

      UK /'steɪbəlaɪz/

      • Transitive Verb
      • To make stable/consistent, with no major changes
      B1
      More
    • stare

      US /stɛr/

      UK /steə(r)/

      • Verb (Transitive/Intransitive)
      • To look at someone or something for a long time
      • Noun
      • A long look at something or someone for a reason
      A2
      More
    • stuff

      US /stʌf/

      UK /stʌf/

      • Uncountable Noun
      • Generic description for things, materials, objects
      • Transitive Verb
      • To push material inside something, with force
      B1
      More
    • symbolize

      US /ˈsɪmbəˌlaɪz/

      UK /'sɪmbəlaɪz/

      • Transitive Verb
      • To represent to show a thing's essential character
      B1
      More
    • think about

      US /θɪŋk əˈbaʊt/

      UK /θiŋk əˈbaut/

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

      US

      UK

      • Phrase
      • In or toward the left direction.
      • Situated on the left side of.
      More
    • video

      US /ˈvɪdiˌo/

      UK /'vɪdɪəʊ/

      • Noun (Countable/Uncountable)
      • Recording capturing action with sound
      • A recording of moving visual images made digitally or on videotape.
      • Transitive Verb
      • To make a moving film of, with sound
      • To make a video call.
      A2
      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
    A2US
    #bond#product#double bond#methyl#carbon#draw

    Diels-Alder: endo rule | Organic chemistry | Khan Academy

    0
    Collared owlet posted on 2025/04/18
    Ever wondered about the magic behind the Diels-Alder reaction? This video dives deep into the endo rule and stereochemistry, perfect for organic chemistry students looking to master bicyclic formation! You'll pick up some advanced vocabulary and get a clear mechanism walkthrough that makes complex concepts easy to grasp.

    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