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The more solid ingredient of certain volatile oils; -- contrasted with elæoptene.

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

The finer and more volatile parts of a substance, separated by a solvent; an extract of a part of the substance of a body communicated to the solvent.

To subject to scorching heat, so as to drive off volatile ingredients; to roast, as ores.

A colorless volatile alkaline liquid, N.(CH3)3, obtained from herring brine, beet roots, etc., with a characteristic herringlike odor. It is regarded as a substituted ammonia containing three methyl groups.

A volatile liquid hydrocarbon, C5H6, related to ethylene and acetylene, but possessing the property of unsaturation in the third degree. It is the only known member of a distinct series of compounds. It has a garlic odor.

planifolia, and V. claviculata, remarkable for their delicate and agreeable odor, for the volatile, odoriferous oil extracted from them; also, the flavoring extract made from the capsules, extensively used in confectionery, perfumery, etc.

ified form is provided with a jacket in the outside partition for holding water, or other volatile liquid, by which the temperature may be limited exactly to the required degree. -- Vapor burner, a burner for burning a vaporized hydrocarbon. -- Vapor density (Chem.), the relative weight of gases and vapors as compare…

Producing vapor; tending to pass, or to cause to pass, into vapor; thus, volatile fluids are vaporific; heat is a vaporific agent.

A viscid liquid, consisting of a solution of resinous matter in an oil or a volatile liquid, 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…

The act or process of volatilizing, or rendering volatile; the state of being volatilized.

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.

A solution in water of a gaseous or readily volatile substance; as, ammonia water. U. S. Pharm.

Soaring with wings, or as if with wings; volatile airy. [Obs. or R.] Those wingy mysteries in divinity. Sir T. Browne.

len garments from moths. It gives the peculiar flavor to the cordial called absinthe. The volatile oil is a narcotic poison. The term is often extended to other species of the same genus.