Meaning of VAPOR in English

I. ˈvā-pər noun

Etymology: Middle English vapour, from Anglo-French vapor, from Latin, steam, vapor

Date: 14th century

1. : diffused matter (as smoke or fog) suspended floating in the air and impairing its transparency


a. : a substance in the gaseous state as distinguished from the liquid or solid state

b. : a substance (as gasoline, alcohol, mercury, or benzoin) vaporized for industrial, therapeutic, or military uses ; also : a mixture (as the explosive mixture in an internal combustion engine) of such a vapor with air


a. : something unsubstantial or transitory : phantasm

b. : a foolish or fanciful idea

4. plural

a. archaic : exhalations of bodily organs (as the stomach) held to affect the physical or mental condition

b. : a depressed or hysterical nervous condition

II. intransitive verb

( va·pored ; va·por·ing -p(ə-)riŋ)

Date: 15th century


a. : to rise or pass off in vapor

b. : to emit vapor

2. : to indulge in bragging, blustering, or idle talk

• va·por·er -pər-ər noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.