VAPOUR meaning: 1. gas or extremely small drops of liquid that result from the heating of a liquid or solid: 2. a…. Learn more.

One of the most important is a measure of how much moisture the atmosphere can extract from the land, known as the "vapour pressure deficit".

Vapor refers to a gas phase at a temperature where the same substance can also exist in the liquid or solid state, below the critical temperature of the substance. (For example, water has a …

The meaning of VAPOUR is chiefly British spelling of vapor.

Vapour consists of tiny drops of water or other liquids in the air, which appear as mist. ...water vapour.

2. mist, fumes or smoke in the air. Near the marshes the air was filled with a strange-smelling vapour. vapor

Nov 1, 2025 · vapour (countable and uncountable, plural vapours) British standard spelling of vapor.

Meteorology a visible mass of tiny particles, as fog, mist, or smoke, floating or hanging in the air: [countable] the vapors rising from the bog. [uncountable] clouds of vapor. Physics a substance …

Definition of vapour noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

There are nine meanings listed in OED's entry for the noun vapour, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.