vapour

noun

1. a visible suspension in the air of particles of some substance

Similar word(s): vapor

Definition categories: substance, suspension

2. the process of becoming a vapor

Similar word(s): evaporation, vapor, vaporisation, vaporization

Definition categories: process

verb

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

2. (transitive) To turn into vapour.

- to vapour away a heated fluid

3. (intransitive) To use insubstantial language; to boast or bluster.

4. To emit vapour or fumes.