Vocabulary

  • figure out: To understand the behavior of someone
  • deal with
  • in terms of
  • in other words: Stating something in a different way, often to make it clearer or more understandable.
  • have to: Must do
  • talking about: To discuss a particular topic.
  • stick with: To continue to support or stay loyal to someone or something.
  • for example: As an illustration or instance.
  • in general: Typically; usually; on the whole.
  • with it: Intelligent, alert, and up-to-date.
  • for now: Temporarily; for the present time.
  • carry out
  • my personal favorite: Something that I like more than other things.
  • turn into: To change to become something else
  • work out
  • as soon as: In a short time after (something happens)
  • get back to: To get in contact with someone again
  • stuff: Generic description for things, materials, objects
  • figure: To appear in a game, play or event
  • constant: Happening frequently or without pause
  • pattern: Model to follow in making or doing something
  • evolve: To develop certain features
  • spectrum: The wavelengths of colors from red to violet
  • interpret: To express so that others understand it
  • integrate: To combine together; make into one thing
  • assumption: Something you believe to be so, but aren't sure of
  • divide: To split numbers by another number, e.g. 6 / 2 = 3
  • field: Area of study, such as physics or biology
  • function: Social event, or party such as a wedding
  • deal: To cope with something - usually troubles
  • ignore: To not listen to, look at, or pay attention to
  • form: Sports team or person's current winning record
  • define: To explain the meaning of words
  • factor: Something that influences a result
  • extra: More than necessary; additional
  • involve: To have or be included as a part of something
  • apply: To spread a substance or liquid over a surface
  • integral: Being an essential part of something; necessary
  • grant: To admit an opinion is true but not fully agreeing
  • coordinate: To match styles or colors that go well together
  • distance: Lack of friendliness toward another person
  • couple: To join something to something else
  • equal: Same in shape, size, or number
  • wanna: Shortened form of 'want to'. Used only in speaking
  • favorite: A thing that someone likes best or enjoys most
  • frequency: Number of repetitions of (radio or sound) wave
  • transform: To change the shape completely in a good way
  • simple: Not hard to understand or do; not complex
  • multiply: To increase in number by reproducing/having babies
  • conservation: Protecting the environment or a species
  • optical: Concerning vision or helping people see
  • front: Behavior not showing a person's true feelings
  • dummy: Being a cover for or serving as a front for
  • quick: Using very little time; moving far in little time
  • interesting: Taking your attention; making you want to know
  • interested: Having had your attention taken; curious
  • electromagnetic: Having magnetic and electrical parts
  • case: Container used to carry things, e.g. clothes
  • rectangle: Four-sided geometrical shape with all right angles
  • arrow: Symbol used on road signs to show direction
  • angle: Place where two lines or surfaces meet
  • want: To desire or wish for something; hope for a thing
  • erase: To remove data in computer memory, tape, etc.
  • calculate: To find an answer using mathematics
  • terribly: To an extreme degree; badly; very
  • conceptual: Including concepts or the forming of concepts
  • illuminated: To supply light to something
  • transformation: A complete change in shape or form of something
  • inverse: Being the opposite of something else
  • angular: Having one or more sharp angles
  • normalize: To make something normal or regular
  • naught: Quantity of no importance, nonexistence
  • approximation: Something that is similar, but not an exact copy
  • aperture: Hole or opening controlling e.g. light on a lens
  • coefficient: Number by which another number is multiplied
  • propagation: Spreading of something (a belief or practice)
  • diffraction: Bending light, etc. around something/through a hole
  • theta: 8th letter of the Greek alphabet
  • lambda: 11th letter of the Greek alphabet
Placeholder Image

    Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • angle

      US /ˈæŋɡəl/

      UK /ˈæŋgl/

      • Noun
      • Place where two lines or surfaces meet
      B1TOEIC
      More
    • angular

      US /ˈæŋɡjəlɚ/

      UK /ˈæŋgjələ(r)/

      • Adjective
      • Having one or more sharp angles
      B2
      More
    • aperture

      US /ˈæpətʃɚ/

      UK /ˈæpətʃə(r)/

      • Noun
      • Hole or opening controlling e.g. light on a lens
      C1
      More
    • approximation

      US /əˌprɑksəˈmeʃən/

      UK /əˌprɒksɪˈmeɪʃn/

      • Noun
      • Something that is similar, but not an exact copy
      B2
      More
    • arrow

      US /ˈæroʊ/

      UK /ˈærəʊ/

      • Noun
      • Symbol used on road signs to show direction
      • A long pointed piece of wood shot from a bow
      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
    • assumption

      US /əˈsʌmpʃən/

      UK /ə'sʌmpʃn/

      • Noun (Countable/Uncountable)
      • Something you believe to be so, but aren't sure of
      A2
      More
    • calculate

      US /ˈkælkjəˌlet/

      UK /'kælkjʊleɪt/

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

      US /ˈkæri aʊt/

      UK /ˈkæri aut/

      • Phrasal Verb
      • To fulfill or perform your instructions, duty
      • Verb (Transitive/Intransitive)
      • To perform or execute a task, order, or plan.
      • To remove something or someone from a place.
      A1
      More
    • coefficient

      US /ˌkoʊɪˈfɪʃnt/

      UK /ˌkəʊɪˈfɪʃnt/

      • Adjective
      • Number by which another number is multiplied
      B2
      More
    • conceptual

      US /kənˈsɛptʃuəl/

      UK /kənˈseptʃuəl/

      • Adjective
      • Including concepts or the forming of concepts
      B1
      More
    • conservation

      US /ˌkɑ:nsərˈveɪʃn/

      UK /ˌkɒnsəˈveɪʃn/

      • Uncountable Noun
      • Protecting the environment or a species
      • Act of keeping in reserve
      B1
      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
    • coordinate

      US /ko'ɔrdəˈnet/

      UK /kəʊ'ɔ:dɪneɪt/

      • Transitive Verb
      • To match styles or colors that go well together
      • To cause body parts to move smoothly together
      • Noun
      • Point on a map defining a location e.g. 135N, 34W
      • A matching set of clothes.
      B1
      More
    • couple

      US /ˈkʌpəl/

      UK /'kʌpl/

      • Transitive Verb
      • To join something to something else
      • (Two animals) to engage in sexual relations
      • Noun (Countable/Uncountable)
      • Two people in a romantic relationship
      • Two of something; two people; a pair
      A2
      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
    • define

      US /dɪˈfaɪn/

      UK /dɪ'faɪn/

      • Transitive Verb
      • To explain the meaning of words
      • To set or mark the limits of something
      A2TOEIC
      More
    • diffraction

      US /dɪ'frækʃn/

      UK /dɪ'frækʃn/

      • Uncountable Noun
      • Bending light, etc. around something/through a hole
      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
    • divide

      US /dɪˈvaɪd/

      UK /dɪ'vaɪd/

      • Verb (Transitive/Intransitive)
      • To split numbers by another number, e.g. 6 / 2 = 3
      • To separate something into equal pieces
      • Noun
      • A separation or distinction.
      A2TOEIC
      More
    • dummy

      US /ˈdʌmi/

      UK /'dʌmɪ/

      • Adjective
      • Being a cover for or serving as a front for
      • Noun (Countable/Uncountable)
      • Life-size doll made to look like a person
      • Sample or trial of a process or object
      B2
      More
    • erase

      US /ɪˈreɪs/

      UK /ɪˈreɪz/

      • Transitive Verb
      • To remove data in computer memory, tape, etc.
      • To remove written information by mistake
      B2TOEIC
      More
    • evolve

      US /ɪˈvɑlv/

      UK /ɪ'vɒlv/

      • Verb (Transitive/Intransitive)
      • To develop certain features
      • To develop or change slowly over time
      B1
      More
    • extra

      US /'ekstrə/

      UK /'ekstrə/

      • Adjective
      • More than necessary; additional
      • Of especially good quality or grade.
      • Noun (Countable/Uncountable)
      • Items more than you need; additional items
      • Person who has a small part in a movie
      A2
      More
    • factor

      US /ˈfæktɚ/

      UK /'fæktə(r)/

      • Noun
      • Something that influences a result
      • Transitive Verb
      • To consider or include in an estimate or judgment
      • To find the two numbers a number can be divided by
      A2TOEIC
      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
    • for example

      US

      UK

      • Phrase
      • As an illustration or instance.
      More
    • for now

      US /fɔr naʊ/

      UK /fɔ: nau/

      • Phrase
      • Temporarily; for the present time.
      • In the short term; for the immediate future.
      A1
      More
    • frequency

      US /ˈfrikwənsi/

      UK /'fri:kwənsɪ/

      • Uncountable Noun
      • Number of repetitions of (radio or sound) wave
      • How often something happens
      B1TOEIC
      More
    • function

      US /ˈfʌŋkʃən/

      UK /'fʌŋkʃn/

      • Noun
      • Social event, or party such as a wedding
      • Mathematical operation used in calculations
      • Intransitive Verb
      • To serve a certain purpose or role
      • To be operating, working or achieving its purpose
      A2TOEIC
      More
    • get back to

      US /ɡɛt bæk tu/

      UK /ɡet bæk tu:/

      • Phrasal Verb
      • To get in contact with someone again
      • To return to someone or something; to respond at a later time.
      A1
      More
    • grant

      US /ɡrænt/

      UK /ɡrɑ:nt/

      • Transitive Verb
      • To admit an opinion is true but not fully agreeing
      • To give or let someone do what they want
      • Uncountable Noun
      • Money given for education or research
      A2TOEIC
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • ignore

      US /ɪɡˈnɔr, -ˈnor/

      UK /ɪɡ'nɔ:(r)/

      • Transitive Verb
      • To not listen to, look at, or pay attention to
      A2TOEIC
      More
    • illuminated

      US /ɪˈlʊməˌnetɪd/

      UK /ɪˈlu:mɪneɪtɪd/

      • Transitive Verb
      • To supply light to something
      • To make something easier to understand
      • Adjective
      • Decorated with gold or silver; often used to describe manuscripts.
      B1
      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 other words

      US

      UK

      • Phrase
      • Stating something in a different way, often to make it clearer or more understandable.
      More
    • in terms of

      US

      UK

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

      US /ˈɪntɪɡrəl, ɪnˈtɛɡrəl/

      UK /ˈɪntɪgrəl/

      • Adjective
      • Being an essential part of something; necessary
      • Being an essential part of something.
      • Noun
      • A function whose derivative is a given function.
      B1
      More
    • integrate

      US /ˈɪntɪˌɡret/

      UK /ˈɪntɪgreɪt/

      • Transitive Verb
      • To combine together; make into one thing
      • To bring (people or groups with particular characteristics or needs) into equal participation in or membership of a social group or institution.
      A2
      More
    • interpret

      US /ɪnˈtɚprɪt/

      UK /ɪn'tɜ:prɪt/

      • Verb (Transitive/Intransitive)
      • To express so that others understand it
      • To translate what is said into another language
      A2TOEIC
      More
    • inverse

      US / ˈɪnˌvə:s/

      UK /ɪnˈvɜ:s /

      • Adjective
      • Being the opposite of something else
      • Noun
      • Thing that is the complete opposite of another
      B2
      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
    • lambda

      US /'læmdə/

      UK /ˈlæmdə/

      • Noun
      • 11th letter of the Greek alphabet
      C1
      More
    • multiply

      US /ˈmʌltəˌplaɪ/

      UK /ˈmʌltɪplaɪ/

      • Verb (Transitive/Intransitive)
      • To increase in number by reproducing/having babies
      • To increase something by a large quantity
      B1
      More
    • my personal favorite

      US

      UK

      • Phrase
      • Something that I like more than other things.
      A1
      More
    • naught

      US /nɔt/

      UK /nɔ:t/

      • Uncountable Noun
      • Quantity of no importance, nonexistence
      B2
      More
    • normalize

      US /ˈnɔ:rməlaɪz/

      UK /ˈnɔ:məlaɪz/

      • Transitive Verb
      • To make something normal or regular
      B2
      More
    • optical

      US /ˈɑptɪkəl/

      UK /ˈɒptɪkl/

      • Adjective
      • Concerning vision or helping people see
      B1
      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
    • propagation

      US /ˌprɑpəˈɡeʃən/

      UK /ˌprɒpə'ɡeɪʃn/

      • Uncountable Noun
      • Spreading of something (a belief or practice)
      • Act of producing a new plant from an existing one
      B2TOEIC
      More
    • rectangle

      US /ˈrɛkˌtæŋɡəl/

      UK /ˈrektæŋgl/

      • Noun
      • Four-sided geometrical shape with all right angles
      B1TOEIC
      More
    • spectrum

      US /ˈspɛktrəm/

      UK /'spektrəm/

      • Noun
      • The wavelengths of colors from red to violet
      • a range of different positions, opinions, etc. between two extreme points
      B1
      More
    • stick with

      US /stɪk wɪð/

      UK /stik wið/

      • Phrasal Verb
      • To continue to support or stay loyal to someone or something.
      • To continue doing or using something; to persevere.
      A1
      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
    • talking about

      US

      UK

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

      US /ˈtɛrəbli/

      UK /ˈterəbli/

      • Adverb
      • To an extreme degree; badly; very
      • Very; extremely
      B1
      More
    • theta

      US /ˈθetə, ˈθi-/

      UK /ˈθi:tə/

      • Noun
      • 8th letter of the Greek alphabet
      C1
      More
    • transform

      US /trænsˈfɔrm/

      UK /træns'fɔ:m/

      • Transitive Verb
      • To change the shape completely in a good way
      • To convert from one form or substance into another.
      C2
      More
    • transformation

      US /ˌtrænsfərˈmeɪʃn/

      UK /ˌtrænsfəˈmeɪʃn/

      • Noun (Countable/Uncountable)
      • A complete change in shape or form of something
      C2
      More
    • turn into

      US /tɚn ˈɪntu/

      UK /tə:n ˈɪntuː/

      • Phrasal Verb
      • To change to become something else
      • To change your direction to go into a place
      A1
      More
    • wanna

      US /ˈwɑnə/

      UK /'wɒnə/

      • Verb (Transitive/Intransitive)
      • Shortened form of 'want to'. Used only in speaking
      B2
      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
    • work out

      US /wɚk aʊt/

      UK /wə:k aut/

      • Phrasal Verb
      • To find a way to do something, by thinking
      A1
      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
    #aperture#integral#coordinate#input#transform#screen

    Fresnel Diffraction Explained

    0
    kevin posted on 2025/06/17
    Ever wondered how light bends around obstacles? This video dives deep into Fresnel diffraction and the Fresnel integral, perfect for optics students looking to master complex sentence structures and advanced vocabulary in physics. You'll get a clear conceptual explanation alongside the mathematical derivation, making this a fantastic way to boost your knowledge and language skills!

    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