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Thin; not dense or gross; rare; as, subtile air; subtile vapor; a subtile medium.

The operation of making so volatile as to rise in steam or vapor.

A bagnio; a sweating bath; a vapor bath. These sudatories are much in request for many infirmities. Evelyn.

crystalline substance, of a sandy or granular consistency, obtained by crystallizing the evaporated juice of certain plants, as the sugar cane, sorghum, beet root, sugar maple, etc. It is used for seasoning and preserving many kinds of food and drink. Ordinary sugar is essentially sucrose. See the Note below.…

To bluster; to make a great noise; to vapor or brag.

from each other and occupy a larger space; elastic force; elasticity; as, the tension of vapor; the tension of air.

Moderately warm; lukewarm; as, a tepid bath; tepid rays; tepid vapors. -- Tep"id*ness, n.

hollow platinum point, which is kept constantly hot by the passage through it of benzine vapor.

Dense; not thin; inspissated; as, thick vapors. Also used figuratively; as, thick darkness. Make the gruel thick and slab. Shak.

The act or process of transpiring or excreting in the form of vapor; exhalation, as through the skin or other membranes of the body; as, pulmonary transpiration, or the excretion of aqueous vapor from the lungs. Perspiration is a form of transpiration. Cudworth.

To pass off in the form of vapor or insensible perspiration; to exhale.

Of, pertaining to, or designating, an acid, C4H7N3O2, obtained, by the action of the vapor of cyanic acid on cold aldehyde, as a white crystalline substance having a slightly acid taste and faint smell; -- called also ethidene- or ethylidene-biuret.

the condition of certain substances, as sulphur, selenium, etc., when condensed from the vaporous state and deposited upon cold bodies, in which case they assume the form of small globules filled with liquid.

ted with an exhausting apparatus that a partial vacuum is formed within. This allows the evaporation and concentration to take place at a lower atmospheric pressure and hence also at a lower temperature, which largely obviates the danger of burning the sugar, and shortens the process. -- Vacuum pump. Same as Pulsomete…

pass from a visible to an invisible state; to go out of sight; to disappear; to fade; as, vapor vanishes from the sight by being dissipated; a ship vanishes from the sight of spectators on land. The horse vanished . . . out of sight. Chaucer. Go; vanish into air; away! Shak. The champions vanished from their posts with…

laid on work with a brush, or otherwise. When applied the varnish soon dries, either by evaporation or chemical action, and the resinous part forms thus a smooth, hard surface, with a beautiful gloss, capable of resisting, to a greater or less degree, the influences of air and moisture.

Capable of wasting away, or of easily passing into the aëriform state; subject to evaporation.

Quality or state of being volatile; disposition to evaporate; changeableness; fickleness.

To render volatile; to cause to exhale or evaporate; to cause to pass off in vapor. The water . . . dissolving the oil, and volatilizing it by the action. Sir I. Newton.

Loss by use, decay, evaporation, leakage, or the like; waste.