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| va·por [ váypər ] |
noun (plural va·pors) |
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1. physics moisture particles: moisture or another type of matter visible in the air as mist, clouds, fumes, or smoke
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2. physics gaseous substance: a gaseous substance at a temperature lower than that at which it can be liquefied or solidified by an appropriate increase in pressure alone
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3. physics gaseous state of substance: the gaseous state of a liquid or solid at a temperature below its boiling point
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4. chemistry vaporized substance: a substance prepared for military, industrial, or medical use in vaporized form
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5. engineering gas and air mixture: a combination of air with a gaseous substance such as that of air and gasoline in an internal-combustion engine
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plural noun va·pors |
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low spirits: a bout of low spirits or sadness
(
literary
)
(
usually used ironically
)
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verb (past and past participle va·pored, present participle va·por·ing, 3rd person present singular va·pors) |
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1. transitive and intransitive verb evaporate: to change into a vapor, or cause something to change into a vapor
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2. intransitive verb emit vapor: to give off or send up vapor
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3. intransitive verb brag: to talk boastfully
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| [14th century. Directly or via Old French< Latin vapor "steam, heat"] |
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