vapour

American  

[vey-per] / ˈveɪ pər /

noun

Chiefly British.

1. vapor.

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vapour British  

/ ˈveɪpə /

noun

1. particles of moisture or other substance suspended in air and visible as clouds, smoke, etc

2. a gaseous substance at a temperature below its critical temperature Compare gas

3. a substance that is in a gaseous state at a temperature below its boiling point

4. rare something fanciful that lacks substance or permanence

5. archaic a depressed mental condition believed originally to be the result of vaporous exhalations from the stomach

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verb

1. to evaporate or cause to evaporate; vaporize

2. (intr) to make vain empty boasts; brag

Spelling

See -or ¹.

Other Word Forms

• vapour-like adjective
• vapourability noun
• vapourable adjective
• vapourer noun
• vapourish adjective
• vapourless adjective
• vapoury adjective

Etymology

Origin of vapour

C14: from Latin vapor

Example Sentences

Mr Trapp recommends using a dehumidifier in the room where you dry laundry and close the door to prevent water vapour getting to the rest of the house.

From BBC

"When the product reaches what we call the glass transition point, the ice crystals within the candy shift from ice to vapour at the speed of sound," Ms Goldfarb adds.

From BBC

Inhalation rooms consist of individual enclosed booths that have a ventilation system designed to remove smoke and vapour.

From BBC

"The living forest is closing down," he says, "and not producing water vapour and therefore rainfall".

From BBC

Allowing Andrew to voluntarily give up his titles, which theoretically remain in place, gave him a way out, still holding on to a little of the disappearing vapour trail of his pride.

From BBC