(of vapour)
71vapour — /vay peuhr/, n., v.t., v.i. Chiefly Brit. vapor. Usage. See or1. * * * …
72vapour density — noun The ratio of the density of a gas to the density of hydrogen at the same temperature and pressure …
73vapour trail — noun A contrail …
74vapour — va|pour [ veıpər ] the British spelling of vapor …
75vapour — va·pour || veɪpÉ™(r) n. steam, mist (also vapor) v. turn to vapor, vaporize, steam; talk pompously, boast, brag (also vapor) …
76vapour trail — noun a trail of condensed water from an aircraft or rocket at high altitude, seen as a white streak against the sky …
77vapour — (US vapor) noun 1》 a substance diffused or suspended in the air. ↘Physics a gaseous substance that can be liquefied by pressure alone. Compare with gas. 2》 (the vapours) dated sudden faintness or nervousness. verb talk in a vacuous or pompous …
78vapour trail — BrE vapor trail AmE noun (C) the white line that is left in the sky by a plane …
79vapour — [ˈveɪpə] noun [C] very small drops of water or another liquid in the air …
80vapour — va•pour [[t]ˈveɪ pər[/t]] n. v. i. chiefly brit. use vapor …