Visible vapor
1Vapor — 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… …
2Vapor bath — 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… …
3Vapor burner — 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… …
4Vapor density — 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… …
5Vapor engine — 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… …
6Vapor — Va por, v. i. [imp. & p. p. {Vapored}; p. pr. & vb. n. {Vaporing}.] [From {Vapor}, n.: cf. L. vaporare.] [Written also {vapour}.] [1913 Webster] 1. To pass off in fumes, or as a moist, floating substance, whether visible or invisible, to steam;… …
7vapor — [vā′pər] n. [ME vapour < Anglo Fr < MFr vapeur < L vapor < IE base * wep , to give off vapors] 1. a) visible particles of moisture floating in the air, as fog, mist, or steam b) any cloudy or imperceptible exhalation, as smoke or… …
8Vapor barrier — 6 mil Polyethylene plastic sheet as vapor barrier between insulation and gypsum board …
9vapor — vaporable, adj. vaporability, n. vaporer, n. vaporless, adj. vaporlike, adj. /vay peuhr/, n. 1. a visible exhalation, as fog, mist, steam, smoke, or noxious gas, diffused through or suspended in the air: the vapors rising from the bogs. 2.… …
10vapor — va•por [[t]ˈveɪ pər[/t]] n. 1) mer a visible exhalation, as fog or smoke, suspended in the air 2) phs a substance in gaseous form that is below its critical temperature 3) a substance converted into vapor for technical or medicinal uses 4) a… …