(of vapour)
11vapour trail — ► NOUN ▪ a trail of condensed water from an aircraft or rocket at high altitude, seen as a white streak against the sky …
12vapour — [vā′pər] n., vi., vt. Brit. sp. of VAPOR …
13vapour — n. & v. (US vapor) n. 1 moisture or another substance diffused or suspended in air, e.g. mist or smoke. 2 Physics a gaseous form of a normally liquid or solid substance (cf. GAS). 3 a medicinal agent for inhaling. 4 (in pl.) archaic a state of… …
14vapour — (BrE) (AmE vapor) noun ADJECTIVE ▪ water … OF VAPOUR/VAPOR ▪ cloud ▪ There was a hissing sound, and clouds of vapour were emitted. VERB + VAPOUR/VAPOR …
15vapour pressure — ▪ physics pressure exerted by a vapour when the vapour is in equilibrium with the liquid or solid form, or both, of the same substance i.e., when conditions are such that the substance can exist in both or in all three phases. Vapour… …
16vapour — /ˈveɪpə / (say vaypuh) noun 1. a visible exhalation, as fog, mist, condensed steam, smoke, etc. 2. a substance in the gaseous state (sometimes restricted to substances in the gaseous state when below their critical points); a gas. 3. matter… …
17vapour — Vapor Va por, n. [OE. vapour, OF. vapour, vapor, vapeur, F. vapeur, L. vapor; probably for cvapor, and akin to Gr. ? smoke, ? to breathe forth, Lith. kvepti to breathe, smell, Russ. kopote fine soot. Cf. {Vapid}.] [Written also {vapour}.] [1913… …
18vapour lock — ▪ mechanics partial or complete interruption of the fuel flow in an internal combustion engine, caused by the formation of vapour or bubbles of gas in the fuel feeding system. Vapour forms because of fuel boiling in the fuel lines, usually… …
19vapour — n. to emit a vapour * * * [ veɪpə] vapour trail n. to leave a vapour (high flying aircraft leave vapours) to emit a vapour vapor trail …
20vapour pressure — /ˈveɪpə prɛʃə/ (say vaypuh preshuh) noun 1. the pressure exerted by the molecules of a liquid which escape from the surface of that liquid as a vapour. 2. the maximum pressure that this vapour can exert, at a given temperature, in a system… …
