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A liquid consisting mainly of the lighter and more volatile hydrocarbons of petroleum or kerosene oil, used as a solvent and for cleansing soiled fabrics; -- called also petroleum spirit, petroleum benzine. Varieties or similar products are gasoline, naphtha, rhigolene, ligroin, etc.

asphalt, the semisolid maltha and mineral tars, the oily petroleums, and even the light, volatile naphthas.

lton. Bituminous coal, a kind of coal which yields, when heated, a considerable amount of volatile bituminous matter. It burns with a yellow smoky flame. -- Bituminous limestone, a mineral of a brown or black color, emitting an unpleasant smell when rubbed. That of Dalmatia is so charged with bitumen that it may be cu…

ect of fire or heat; the state of being on fire or excessively heated. Burning fluid, any volatile illuminating oil, as the lighter petroleums (naphtha, benzine), or oil of turpentine (camphine), but esp. a mixture of the latter with alcohol. -- Burning glass, a conxex lens of considerable size, used for producing an…

A highly stimulating volatile infammable oil, distilled from the leaves of an East Indian tree (Melaleuca cajuputi, etc.) It is greenish in color and has a camphoraceous odor and pungent taste.

a substance, or rendering it friable by the action of heat, esp. by the expulsion of some volatile matter, as when carbonic and acid is expelled from carbonate of calcium in the burning of limestone in order to make lime.

To reduce to a powder, or to a friable state, by the action of heat; to expel volatile matter from by means of heat, as carbonic acid from limestone, and thus (usually) to produce disintegration; as to, calcine bones.

a bitter, aromatic taste. They are tonic, febrifugal, and in large doses emetic, and the volatile oil is carminative.

ly, esp. from Cinnamomum camphara (the Laurus camphara of Linnæus.). Camphor, C10H16O, is volatile and fragrant, and is used in medicine as a diaphoretic, a stimulant, or sedative.

The active principe of the cantharis, or Spanish fly, a volatile, acrid, bitter solid, crystallizing in four-sided prisms.

An inflammable, volatile, oily, liquid hydrocarbon, obtained by the destructive distillation of caoutchouc.

Any volatile liquid used in charging illuminating gases.

Saturated or impregnated with some volatile carbon compound; as, water gas is carbureted to increase its illuminating power. [Written also carburetted.] Carbureted hydrogen gas, any one of several gaseous compounds of carbon and hydrogen, some of with make up illuminating gas. -- Light carbureted hydrogen, marsh gas,…

An apparatus in which coal gas, hydrogen, or air is passed through or over a volatile hydrocarbon, in order to confer or increase illuminating power. [Written also carburettor.]

which actuates a needle valve controlling the outlet of the feed pipe. Alcohol and other volatile inflammable liquids may be used instead of gasoline.

A colorless volatile liquid, CHCl3, having an ethereal odor and a sweetish taste, formed by treating alcohol with chlorine and an alkali. It is a powerful solvent of wax, resin, etc., and is extensively used to produce anæsthesia in surgical operations; also externally, to alleviate pain.

rts near each other; dense; solid; compact; as applied to bodies; viscous; tenacious; not volatile, as applied to liquids. The golden globe being put into a press, . . . the water made itself way through the pores of that very close metal. Locke.

, mainly of carbon, but more compact, and often affording, when heated, a large amount of volatile matter.

Mineral coal charred, or depriver of its bitumen, sulphur, or other volatile matter by roasting in a kiln or oven, or by distillation, as in gas works. It is lagerly used where [Written also coak.] Gas coke, the coke formed in gas retorts, as distinguished from that made in ovens.

denser form. Nitrous acid is gaseous at ordinary temperatures, but condenses into a very volatile liquid at the zero of Fahrenheit. H. Spencer.