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To vanish away; to because dissipated and disappear, like vapor. I believe him to have evanesced or evaporated. De Quincey.

The act or state of vanishing away; disappearance; as, the evanescence of vapor, of a dream, of earthly plants or hopes. Rambler.

Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys. So evanescent are the fashions of the world in these particulars. Hawthorne.

Capable of being exhaled or evaporated. Boyle.

Having the quality of exhaling or evaporating.

The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation.

To breathe out. Hence: To emit, as vapor; to send out, as an odor; to evaporate; as, the earth exhales vapor; marshes exhale noxious effluvia. Less fragrant scents the unfolding rose exhales. Pope.

ompletely; as, to exhaust the water of a well; the moisture of the earth is exhausted by evaporation.

The passage of gases, vapors, or liquids thought membranes or porous media from within outward, in the phenomena of osmose; -- opposed to endosmose. See Osmose.

To give forth insensibly or gently, as a fluid or vapor; to emit in minute particles; to exhale; as, the earth expires a damp vapor; plants expire odors. The expiring of cold out of the inward parts of the earth in winter. Bacon.

To become suddenly expanded into a great volume of gas or vapor; to burst violently into flame; as gunpowder explodes.

To exhaust or evaporate moisture from; to dry up. Sir T. Browne.

The act of operation of drying; evaporation or expulsion of moisture; state of being dried up; dryness. Sir T. Browne.

A solid preparation obtained by evaporating a solution of a drug, etc., or the fresh juice of a plant; -- distinguished from an abstract. See Abstract, n., 4.

ration to be kept at hand for extinguishing fire by smothering it with some incombustible vapor or gas, as carbonic acid. -- Fire balloon. (a) A balloon raised in the air by the buoyancy of air heated by a fire placed in the lower part. (b) A balloon sent up at night with fireworks which ignite at a regulated height.…

A state of resistance to evaporation or volatilization by heat; -- said of metals. Bacon.

The quality of a body which resists evaporation or volatilization by heat; solidity; cohesion of parts; as, the fixedness of gold.

A stream of burning vapor or gas, emitting light and heat; darting or streaming fire; a blaze; a fire.

ght. Flashing point (Chem.), that degree of temperature at which a volatile oil gives off vapor in sufficient quantity to burn, or flash, on the approach of a flame, used as a test of the comparative safety of oils, esp. kerosene; a flashing point of 100º F. is regarded as a fairly safe standard. The burning point of t…

Watery vapor condensed in the lower part of the atmosphere and disturbing its transparency. It differs from cloud only in being near the ground, and from mist in not approaching so nearly to fine rain. See Cloud.