VOCABULARY CLASS Vapor va‧por /ˈveɪpə $ -ər/ noun [uncountable and countable] Word Family: Verb: Vaporize Adjective: Vapory;Vaporous Definition: Moisture in the air that can be seen; fog; mist Examples: a. Scientists have devised methods for trapping vapor in bottles so they can study its make-up. b. He has gathered data on the amount of vapor rising from the swamp. c. A vapor trail is the visible stream of moisture left by the engines of a jet fiying at high altitudes. 77 views𝒏𝒂𝒔𝒉𝒂𝒕, 08:05