to pass off in vapor, as a fluid; to escape and be dissipated, either in visible vapor, or in practice too minute to be visible.-to escape or pass off without effect; to be dissipated; to be wasted, as, the spirit of writer often evaporates in the process of translation.-to convert from a liquid or solid state into vapor (usually) by the agency of heat; to dissipate in vapor or fumes.-to expel moisture from (usually by means of artificial heat), leaving the solid portion; to subject to evaporation; as, to evaporate apples.-to give vent to; to dissipate.-dispersed in vapors.