vapor
1. va.por \'va--p*r\ n [ME vapour, fr. MF vapeur, fr. L vapor steam, vapor
- more]at COVET 1: diffused matter (as smoke or fog) suspended floating in
the air and impa iring its transparency 2a: a substance in the gaseous
state as distinguished from the liquid or so lid state 2b: a substance (as
gasoline, alcohol, mercury, or benzoin) vaporized for i ndustrial,
therapeutic, or military uses; also : a mixture (as the explosive mixture
in an internal-combustion engine) of such a vapor with air 3a: something
unsubstantial or transitory : PHANTASM 3b: a foolish or fanciful idea pl
archaic 4a: exhalations of bodily organs (as the stomach) held to affect
the physic al or mental condition 4b: a depressed or hysterical nervous
condition
2. vapor \-p(*-)rin\ \-p*r-*r\ vi or va.por.ing 1a: to rise or pass off in
vapor 1b: to emit vapor 2: to indulge in bragging, blustering, or idle
talk - va.por.er n