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  1. Oxford American Dictionary

    vapor

    • IPA[ˈvāpər]

    美式

    • n.
      a substance diffused or suspended in the air, especially one normally liquid or solid；a gaseous substance that is below its critical temperature, and can therefore be liquefied by pressure alone.
    • v.
      talk in a vacuous, boasting, or pompous way

    • noun: vapour, plural noun: vapours

    • 釋義
    • 相關詞

    名詞

    • 1. a substance diffused or suspended in the air, especially one normally liquid or solid dense clouds of smoke and toxic vapor chemical vapors
    • ▪ a gaseous substance that is below its critical temperature, and can therefore be liquefied by pressure alone.
    • 2. dated a sudden feeling of faintness or nervousness or a state of depression a fit of the vapors

    動詞

    • 1. talk in a vacuous, boasting, or pompous way he was vaporing on about the days of his youth

    vapour

    • n.
      a substance diffused or suspended in the air, especially one normally liquid or solid: dense clouds of smoke and toxic vapour petrol vapours
    • v.
      talk in a vacuous, boasting, or pompous way: he was vapouring on about the days of his youth

    Oxford Dictionary

    vapor density

    • n.
      the density of a particular gas or vapor relative to that of hydrogen at the same pressure and ...

    Oxford American Dictionary

    vapor barrier

    • n.
      a thin layer of impermeable material, typically polyethylene sheeting, included in building ...

    Oxford American Dictionary

    vapor trail

    • n.
      a trail of condensed water from an aircraft or rocket at high altitude, seen as a white streak ...

    Oxford American Dictionary

    vapor pressure

    • n.
      the pressure of a vapor in contact with its liquid or solid form.

    Oxford American Dictionary

    vapor lock

    • n.
      an interruption in the flow of a liquid through a fuel line or other pipe as a result of ...

    Oxford American Dictionary

    sodium-vapor lamp

    • n.
      a lamp in which an electrical discharge in sodium vapor gives a yellow light, typically used in ...

    Oxford American Dictionary

    mercury vapor lamp

    • n.
      a lamp in which light is produced by an electrical discharge through mercury vapor.

    Oxford American Dictionary

    vapour lock

    • n.
      an interruption in the flow of a liquid through a fuel line or other pipe as a result of ...

    Oxford Dictionary

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