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To convert into vapor, as by the application of heat, whether naturally or artificially. Vaporizing surface. (Steam Boilers) See Evaporating surface, under Evaporate, v. t.

One who, or that which, vaporizes, or converts into vapor.

Full of vapor; vaporous.

Having the form or nature of vapor. Holland.

The quality of being vaporous.

Full of vapors; vaporous.

The act of beating or whipping. [Obs.]

The change of vapor into water, as in the formation of rain.

Capable of being converted into vapor, or dissipated by evaporation.

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.

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.

Pertaining to, or producing, evaporation; as, the evaporative process.

An apparatus for condensing vegetable juices, or for drying fruit by heat.

An instrument for ascertaining the quantity of a fluid evaporated in a given time; an atmometer.

ion of glycerin, or the destructive distillation of neutral fats containing glycerin. Its vapors are intensely irritating. Watts.

is joined to another receiver. It is used in distillations, to give more space to elastic vapors, to increase the length of the neck of a retort, or to unite two vessels whose openings have different diameters. [Written also adapter.]

A vessel of porous earthenware, used for cooling liquids by evaporation from the exterior surface.

dissolves humus, forming a dark-colored solution which, when it collects in puddles and evaporates, produces characteristic black spots.

ixty to two hundred and twenty-five pounds in weight. It is wholly volatilized as a white vapor at 212º Fahrenheit, and is highly valued in perfumery. Dana.

operties; as, an ammoniac salt; ammoniacal gas. Ammoniacal engine, an engine in which the vapor of ammonia is used as the motive force. -- Sal ammoniac Etym: [L. sal ammoniacus], the salt usually called chloride of ammonium, and formerly muriate of ammonia.