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.

E*vap"o*rate (?), a. [L. evaporatus, p. p.] Dispersed in vapors. Thomson.

E*vap`o*ra"tion (?), n. [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.

The Gutenberg Webster's Unabridged Dictionary: Section D and E · 第 2528 / 2785 题