Definitions of vapour

n a visible suspension in the air of particles of some substance

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water at boiling temperature diffused in the atmosphere
water vapor, water vapour
water in a vaporous form diffused in the atmosphere but below boiling temperature
live steam
steam coming from a boiler at full pressure
water in small drops in the atmosphere; blown from waves or thrown up by a waterfall
Type of:
a mixture in which fine particles are suspended in a fluid where they are supported by buoyancy

n the process of becoming a vapor

evaporation, vapor, vaporisation, vaporization
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the application of heat to change something from a liquid to a gas
clouding, clouding up
the process whereby water particles become visible in the sky
smoke, smoking
a hot vapor containing fine particles of carbon being produced by combustion
decoction mashing, decoction process
(brewing) a process in which part of the mash is removed and boiled and then returned
Type of:
phase change, phase transition, physical change, state change
a change from one state (solid or liquid or gas) to another without a change in chemical composition

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