a : a substance in the gaseous state as distinguished from the liquid or solid state b : a substance (as alcohol or benzoin) vaporized for industrial, therapeutic, or military uses
vapors or chiefly British vapours pl a : exhalations of bodily organs (as the stomach) formerly held to affect the physical or mental condition b : a depressed or hysterical nervous condition
Seen & Heard
What made you want to look up vapor? Please tell us where you read or heard it (including the quote, if possible).