or chiefly Brit  va*pour  n 1 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  2  vapors  or chiefly Brit  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 .
 
 
 
Similar sounding terms:  vi·per  Vi·pera 
 
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