Vocabulary

  • off the shelf: Readily available; not custom-made.
  • out there: In or to a place that is far away
  • think of: To look on as (being something specific); consider
  • left and right: In both the left and right directions.
  • zone in: To focus attention or effort completely on something.
  • figure out: To understand the behavior of someone
  • on the ground: Located on the surface of the earth.
  • going on: To continue doing something
  • to the point: Expressing something directly and without unnecessary detail.
  • for example: As an illustration or instance.
  • look at: To use your eyes to focus on something
  • instead of: When one thing is replaced by another
  • go towards: To move in the direction of someone or something.
  • much about: A lot of information or knowledge concerning something.
  • have to: Must do
  • work over: To physically attack or beat someone severely.
  • no matter: Regardless of; it does not matter.
  • material: Cloth; fabric
  • fascinating: To attract or interest greatly
  • determine: To control exactly how something will be or act
  • practical: Relating to what is sensible, real or useful
  • manipulate: To try to control others to gain an advantage
  • achieve: To succeed in doing good, usually by working hard
  • position: Person's opinion or attitude about something
  • version: Different way that someone interprets something
  • environment: Natural world in which plants and animals live
  • combat: To fight someone or something physically
  • suppose: To imagine or guess what might happen
  • definition: Explanation of word's meaning, as in dictionaries
  • predict: To guess or estimate what will or might happen
  • direction: When someone tells people what to do
  • simply: In an easy or clear manner
  • plain: Obvious; clearly so, true
  • obscure: To hide something to make it difficult to be seen
  • principle: Moral rule or belief governing a person's behavior
  • challenge: An activity you wish to try that may be hard to do
  • distance: Lack of friendliness toward another person
  • envision: To imagine or picture in your mind
  • application: Software program, e.g. for smart phone
  • ground: To break (coffee, etc.) into tiny bits with machine
  • device: Object, machine, or equipment for a specific use
  • invisible: Being unable to be seen
  • patient: Not getting annoyed when things take a long time
  • riot: Person, thing, or event that is extremely funny
  • camouflage: Blending into the background by being similar
  • utilize: To use something for a particular purpose
  • array: A regular order or arrangement of things
  • lot: What happens to a person in life from chance; fate
  • hostage: Person held prisoner to get a demand satisfied
  • emit: To release or send out (a gas, etc.)
  • shield: A family's coat of arms or insignia
  • kind: In a caring and helpful manner
  • parachute: To drop supplies from a plane via parachute
  • blurry: Being indistinguishable or unclear in shape
  • simple: Not hard to understand or do; not complex
  • existential: Philosophy concerning existence
  • information: Collection of facts and details about something
  • point: An item to be discussed
  • prototype: A first or preliminary version of a device or vehicle from which other forms are developed
  • quantum: The smallest unit or amount of energy
  • optical: Concerning vision or helping people see
  • scatter: To throw or move into various different directions
  • hide: To go to, or put a thing where it can't be found
  • pinnacle: Highest point of success, power, fame, etc.
  • skinny: Too thin; very lean
  • hold: To agree to keep something for someone
  • type: Printed letters or blocks used for printing them
  • cloak: Long loose garment worn over clothes, for warmth
  • work: The product of some artistic or literary endeavor
  • specialist: Person who works in one specific area or field
  • want: To desire or wish for something; hope for a thing
  • trek: Slow or difficult journey
  • tactical: Doing things to get the result you want; planned
  • tank: Container for holding liquid or gas
  • focal: (Of a point) being the main or important one
  • distort: To change the shape, appearance, or sound
  • calculate: To find an answer using mathematics
  • battlefield: Region where a battle was, or is being fought
  • wavelength: To have similar feelings
  • cylindrical: Having the shape of a cylinder
  • soldier: Person working in an army to fight
  • observer: Someone whose job it is to watch or notice things
  • potter: To spend time, e.g. gardening, without hurrying
  • broadband: Computer connection allowing fast internet access
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  • not found vocabularyNo vocabulary matches your filters
    • achieve

      US /əˈtʃiv/

      UK /ə'tʃi:v/

      • Transitive Verb
      • To succeed in doing good, usually by working hard
      • To succeed in reaching a particular goal, status, or standard, often after effort or perseverance.
      A2TOEIC
      More
    • application

      US /ˌæplɪˈkeʃən/

      UK /ˌæplɪˈkeɪʃn/

      • Noun (Countable/Uncountable)
      • Software program, e.g. for smart phone
      • Process of spreading a substance over a surface
      A2TOEIC
      More
    • array

      US /ə'reɪ/

      UK /əˈreɪ/

      • Noun
      • A regular order or arrangement of things
      • Transitive Verb
      • To arrange things in a regular order
      B2TOEIC
      More
    • battlefield

      US /ˈbætlˌfild/

      UK /ˈbætlfi:ld/

      • Noun
      • Region where a battle was, or is being fought
      C1
      More
    • blurry

      US /ˈblə:ɪ/

      UK /ˈblɜ:ri/

      • Adjective
      • Being indistinguishable or unclear in shape
      B2
      More
    • broadband

      US /ˈbrɔdˌbænd/

      UK /ˈbrɔ:dbænd/

      • Noun
      • Computer connection allowing fast internet access
      C2
      More
    • calculate

      US /ˈkælkjəˌlet/

      UK /'kælkjʊleɪt/

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

      US /ˈkæməˌflɑʒ, -ˌflɑdʒ/

      UK /ˈkæməflɑ:ʒ/

      • Noun (Countable/Uncountable)
      • Blending into the background by being similar
      • Something patterned that hides military vehicle
      • Transitive Verb
      • To hide by blending it into its background
      • To hide or disguise someone or something, by means of camouflage.
      B2
      More
    • challenge

      US /ˈtʃæləndʒ/

      UK /'tʃælɪndʒ/

      • Noun (Countable/Uncountable)
      • An activity you wish to try that may be hard to do
      • Act of formally inviting someone to compete
      • Transitive Verb
      • To formally invite someone to compete at something
      • To question the correctness of something
      A2
      More
    • cloak

      US /kloʊk/

      UK /kləʊk/

      • Noun
      • Long loose garment worn over clothes, for warmth
      B2
      More
    • combat

      US /kəmˈbæt, ˈkɑmˌbæt/

      UK /'kɒmbæt/

      • Verb (Transitive/Intransitive)
      • To fight someone or something physically
      B1
      More
    • cylindrical

      US /səˈlɪndrɪkəl/

      UK /səˈlɪndrɪkl/

      • Adjective
      • Having the shape of a cylinder
      C1
      More
    • definition

      US /ˌdɛfəˈnɪʃən/

      UK /ˌdefɪˈnɪʃn/

      • Noun (Countable/Uncountable)
      • Explanation of word's meaning, as in dictionaries
      • The sharpness of an image on a screen
      A2TOEIC
      More
    • determine

      US /dɪˈtɚmɪn/

      UK /dɪ'tɜ:mɪn/

      • Transitive Verb
      • To control exactly how something will be or act
      • To establish the facts about; discover
      A2TOEIC
      More
    • device

      US /dɪˈvaɪs/

      UK /dɪˈvaɪs/

      • Noun (Countable/Uncountable)
      • Object, machine, or equipment for a specific use
      • Method of doing something; a way
      A2TOEIC
      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
    • 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
    • distort

      US /dɪˈstɔrt/

      UK /dɪ'stɔ:t/

      • Transitive Verb
      • To change the shape, appearance, or sound
      • To exaggerate the truth or fact, e.g. to deceive
      B1
      More
    • emit

      US /ɪˈmɪt/

      UK /ɪ'mɪt/

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

      US

      UK

      • Transitive Verb
      • To imagine or picture in your mind
      C2TOEIC
      More
    • existential

      US /ˌɛɡzɪˈstɛnʃəl, ˌɛksɪ-/

      UK /ˌegzɪˈstenʃəl/

      • Adjective
      • Philosophy concerning existence
      B2
      More
    • fascinating

      US /ˈfæsəˌnetɪŋ/

      UK /ˈfæsɪneɪtɪŋ/

      • Transitive Verb
      • To attract or interest greatly
      • To hold someone captive with a gaze or other means.
      • Adjective
      • Having your attention fixated as though by a spell
      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
    • focal

      US /ˈfokəl/

      UK /'fəʊkl/

      • Adjective
      • (Of a point) being the main or important one
      B2
      More
    • for example

      US

      UK

      • Phrase
      • As an illustration or instance.
      More
    • go towards

      US

      UK

      • Phrasal Verb
      • To move in the direction of someone or something.
      B1
      More
    • going on

      US /ˈɡoɪŋ ɑn/

      UK /ˈgəʊɪŋ ɔn/

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

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • hostage

      US /ˈhɑstɪdʒ/

      UK /'hɒstɪdʒ/

      • Countable Noun
      • Person held prisoner to get a demand satisfied
      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
    • invisible

      US /ɪnˈvɪzəbəl/

      UK /ɪnˈvɪzəbl/

      • Adjective
      • Being unable to be seen
      • Of money earned from services, instead of products
      B1TOEIC
      More
    • left and right

      US

      UK

      • Adverb
      • In both the left and right directions.
      • Everywhere; in all directions.
      • Noun
      • Referring to both liberal and conservative political viewpoints.
      • Two opposing options or directions.
      A1
      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
    • manipulate

      US /məˈnɪpjəˌlet/

      UK /mə'nɪpjʊleɪt/

      • Transitive Verb
      • To try to control others to gain an advantage
      • To handle or work in a skillful manner
      B1
      More
    • material

      US /məˈtɪriəl/

      UK /məˈtɪəriəl/

      • Noun (Countable/Uncountable)
      • Cloth; fabric
      • Supplies or data needed to do a certain thing
      • Adjective
      • Relevant; (of evidence) important or significant
      • Belonging to the world of physical things
      A2
      More
    • much about

      US /mʌtʃ əˈbaʊt/

      UK /mʌtʃ əˈbaut/

      • Phrase
      • A lot of information or knowledge concerning something.
      • To a great extent or degree regarding something; caring.
      A1
      More
    • no matter

      US

      UK

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

      US /əbˈskjʊr/

      UK /əbˈskjʊə(r)/

      • Transitive Verb
      • To hide something to make it difficult to be seen
      • Make unclear, vague, or difficult to understand.
      • Adjective
      • Being confusing and difficult to understand
      • Not famous; unknown by most people
      B2
      More
    • observer

      US /əbˈzɜ:rvə(r)/

      UK /əbˈzɜ:və(r)/

      • Noun (Countable/Uncountable)
      • Someone whose job it is to watch or notice things
      • Someone who watches an event without getting involved.
      • Proper Noun
      • Name of a newspaper.
      B1
      More
    • off the shelf

      US /ɔf ði ʃɛlf/

      UK /ɔf ðə ʃelf/

      • Adjective
      • Readily available; not custom-made.
      • Adverb
      • Selling very quickly and in large quantities.
      A2
      More
    • on the ground

      US

      UK

      • Phrase
      • Located on the surface of the earth.
      • Present and available in a particular place, especially to deal with a situation.
      More
    • optical

      US /ˈɑptɪkəl/

      UK /ˈɒptɪkl/

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

      US /ˈpærəˌʃut/

      UK /'pærəʃu:t/

      • Verb (Transitive/Intransitive)
      • To drop supplies from a plane via parachute
      • To jump from a plane while attached to a parachute
      • Countable Noun
      • Cloth with strings for jumping from planes safely
      B1
      More
    • patient

      US /ˈpeʃənt/

      UK /'peɪʃnt/

      • Adjective
      • Not getting annoyed when things take a long time
      • Bearing or enduring pain or trials without complaint; exhibiting forbearance.
      • Countable Noun
      • Person who receives medical treatment or care
      A2
      More
    • pinnacle

      US /ˈpɪnəkəl/

      UK /ˈpɪnəkl/

      • Noun
      • Highest point of success, power, fame, etc.
      C1
      More
    • potter

      US /'pɑ:tər/

      UK /'pɒtə(r)/

      • Intransitive Verb
      • To spend time, e.g. gardening, without hurrying
      • Countable Noun
      • Someone who makes pots, bowls etc. out of clay
      C2
      More
    • practical

      US /ˈpræktɪkəl/

      UK /ˈpræktɪkl/

      • Adjective
      • Relating to what is sensible, real or useful
      • Relating to experience, action, or practice; not theoretical or ideal.
      • Noun
      • A practical exam or lesson.
      • A person concerned chiefly with the practice of something; a person with practical skills.
      A2TOEIC
      More
    • predict

      US /prɪˈdɪkt/

      UK /prɪ'dɪkt/

      • Transitive Verb
      • To guess or estimate what will or might happen
      A2TOEIC
      More
    • principle

      US /ˈprɪnsəpəl/

      UK /ˈprɪnsəpl/

      • Noun (Countable/Uncountable)
      • Moral rule or belief governing a person's behavior
      • Natural law that explains how things work
      A2TOEIC
      More
    • prototype

      US /ˈproʊ.t̬ə.taɪp/

      UK /ˈprəʊ.tə.taɪp/

      • Countable Noun
      • A first or preliminary version of a device or vehicle from which other forms are developed
      B2
      More
    • quantum

      US /ˈkwɑ:ntəm/

      UK /ˈkwɒntəm/

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

      US /ˈraɪət/

      UK /'raɪət/

      • Noun
      • Person, thing, or event that is extremely funny
      • When there is a lot of something, e.g. color
      • Intransitive Verb
      • (Of a crowd) to protest and try to take control
      B2
      More
    • scatter

      US /ˈskætɚ/

      UK /'skætə(r)/

      • Verb (Transitive/Intransitive)
      • To throw or move into various different directions
      • Transitive Verb
      • To place or leave things in various places
      B2
      More
    • shield

      US /ʃild/

      UK /ʃi:ld/

      • Noun
      • A family's coat of arms or insignia
      • Device used to protect from a harmful force
      • Transitive Verb
      • To cover (e.g. your face) so as to hide from
      • To cover from a dangerous or harmful force
      B1
      More
    • skinny

      US /ˈskɪni/

      UK /'skɪnɪ/

      • Adjective
      • Too thin; very lean
      B2
      More
    • soldier

      US /ˈsoldʒɚ/

      UK /'səʊldʒə(r)/

      • Countable Noun
      • Person working in an army to fight
      B1
      More
    • specialist

      US /ˈspɛʃəlɪst/

      UK /'speʃəlɪst/

      • Noun
      • Person who works in one specific area or field
      B1
      More
    • suppose

      US /səˈpoʊz/

      UK /sə'pəʊz/

      • Verb (Transitive/Intransitive)
      • To imagine or guess what might happen
      • Conjunction
      • What if
      A2TOEIC
      More
    • tactical

      US /ˈtæktɪkəl/

      UK /ˈtæktɪkl/

      • Adjective
      • Doing things to get the result you want; planned
      • Relating to or constituting actions carefully planned to gain a specific military or political end.
      B2
      More
    • tank

      US /tæŋk/

      UK /tæŋk/

      • Noun (Countable/Uncountable)
      • Container for holding liquid or gas
      • Military vehicle that can go over rough areas
      • Intransitive Verb
      • To fail completely or badly
      • To deliberately lose a game or contest
      B1
      More
    • think of

      US /θɪŋk ʌv/

      UK /θiŋk ɔv/

      • Phrasal Verb
      • To look on as (being something specific); consider
      • To consider or remember something.
      • Verb (Transitive/Intransitive)
      • To imagine or call something to mind
      A1
      More
    • to the point

      US /tu ði pɔɪnt/

      UK /tu: ðə pɔint/

      • Adjective
      • Expressing something directly and without unnecessary detail.
      • Phrase
      • Relevant and pertinent to the matter at hand.
      A2
      More
    • trek

      US /trɛk/

      UK /trek/

      • Noun
      • Slow or difficult journey
      • Intransitive Verb
      • To make your way slowly and painfully
      • To go on a difficult (often walking) journey
      B1
      More
    • utilize

      US /ˈjutlˌaɪz/

      UK /ˈju:təlaɪz/

      • Transitive Verb
      • To use something for a particular purpose
      B1TOEIC
      More
    • version

      US /ˈvɚʒən, -ʃən/

      UK /ˈvə:ʃən/

      • Noun
      • Different way that someone interprets something
      • New or different form of something
      A2TOEIC
      More
    • wavelength

      US /ˈwevˌlɛŋkθ, -ˌlɛŋθ/

      UK /'weɪvleŋθ/

      • Noun (Countable/Uncountable)
      • To have similar feelings
      • The size of a wave
      C1
      More
    • work over

      US /wɝk ˈoʊvɚ/

      UK /wɜ:k ˈəuvə/

      • other
      • To physically attack or beat someone severely.
      • To revise, review, or improve something by careful effort.
      B2
      More
    • zone in

      US

      UK

      • Phrasal Verb
      • To focus attention or effort completely on something.
      B1
      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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    B1
    #invisibility#cloak#material#direction#hide#lens

    物理学者がハリーポッターの「透明マント」は実現可能かを解説 | WIRED JAPAN

    0
    林宜悉 posted on 2025/02/13
    Ever wondered if Harry Potter's invisibility cloak could actually exist? This video features a physicist explaining the science behind optical camouflage and invisibility prototypes, diving into concepts like lenticular lenses and quantum optics. You'll pick up some cool advanced vocabulary related to cutting-edge technology and military applications!

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