1. To convert from a liquid or solid state into vapor (usually) by the agency of heat; to dissipate in vapor or fumes.
2. To expel moisture from (usually by means of artificial heat), leaving the solid portion; to subject to evaporation; as, to evaporate apples.
3. To give vent to; to dissipate. [R.] My lord of Essex evaporated his thoughts in a sonnet. Sir. H. Wotton. Evaporating surface (Steam Boilers), that part of the heating surface with which water is in contact.
EVAPORATE
E*vap"o*rate, a. Etym: [L. evaporatus, p. p.]
Defn: Dispersed in vapors. Thomson.
EVAPORATION
E*vap`o*ra"tion, n. Etym: [L. evaporatio: cf. F. évaporation.]
1. The process by which any substance is converted from a liquid state into, and carried off in, vapor; as, the evaporation of water, of ether, of camphor.
2. The transformation of a portion of a fluid into vapor, in order to obtain the fixed matter contained in it in a state of greater consistence.
3. That which is evaporated; vapor.
4. (Steam Engine)