EVAPORA'TION, noun The conversion of a fluid into vapor specifically lighter than the atmospheric air. evaporation is increased by heat and is followed by cold. It is now generally considered as a solution in the atmosphere. 1. The act of flying off in fumes; vent; discharge. 2. In pharmacy, the operation of drawing off a portion of a fluid in steam, that the remainder may be of a greater consistence, or more concentrated.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI