Vapour meaning

vāpər
Cloudy diffused matter such as mist, steam or fumes suspended in the air.
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The gaseous state of a substance that is normally a solid or liquid.
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Something unsubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
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(dated) Any medicinal agent designed for administration in the form of inhaled vapour.

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(intransitive) To become vapour; to be emitted or circulated as vapour.
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To turn into vapour.

To vapour away a heated fluid.

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(intransitive) To use insubstantial language; to boast or bluster.
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To emit vapour or fumes.
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(intransitive) To become vapour; to be emitted or circulated as vapour.
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To turn into vapour.
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(intransitive) To use insubstantial language; to boast or bluster.
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Origin of vapour

  • From Old French, from Latin vapor (“steam, heat")

    From Wiktionary