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Ligroin :: Ligroin (n.) A trade name applied somewhat indefinitely to some of the volatile products obtained in refining crude petroleum. It is a complex and variable mixture of several hydrocarbons, generally boils below 170¡ Fahr., and is more inflammable than safe kerosene. It is used as a solvent, as a carburetant for air gas, and for illumination in special lamps..

Eikosane :: Eikosane (n.) A solid hydrocarbon, C20H42, of the paraffine series, of artificial production, and also probably occurring in petroleum..

Corner :: Corner (v. t.) To get command of (a stock, commodity, etc.), so as to be able to put one's own price on it; as, to corner the shares of a railroad stock; to corner petroleum..

Paraffine :: Paraffine (n.) A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc., by distillation. It is used as an illuminant and lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but is now known to be a complex mixture of several higher hydrocarbons of the methane or marsh-gas series; hence, by extension, any substance, whether solid, liquid, or

Kerosene :: Kerosene (n.) An oil used for illuminating purposes, formerly obtained from the distillation of mineral wax, bituminous shale, etc., and hence called also coal oil. It is now produced in immense quantities, chiefly by the distillation and purification of petroleum. It consists chiefly of several hydrocarbons of the methane series..

Picene :: Picene (n.) A hydrocarbon (C/H/) extracted from the pitchy residue of coal tar and petroleum as a bluish fluorescent crystalline substance.

Petro- :: Petro- () A combining form from Gr. / a rock, / a stone; as, petrology, petroglyphic..

Endecane :: Endecane (n.) One of the higher hydrocarbons of the paraffin series, C11H24, found as a constituent of petroleum..

Illuminant :: Illuminant (n.) That which illuminates or affords light; as, gas and petroleum are illuminants..

Petralogy :: Petralogy (n.) See Petrology.

Rhigolene :: Rhigolene (n.) A mixture of volatile hydrocarbons intermediate between gsolene and cymogene. It is obtained in the purification of crude petroleum, and is used as a refregerant..

Cymogene :: Cymogene (n.) A highly volatile liquid, condensed by cold and pressure from the first products of the distillation of petroleum; -- used for producing low temperatures..

Petrography :: Petrography (n.) The scientific description of rocks; that department of science which investigates the constitution of rocks; petrology.

Bitumen :: Bitumen (n.) By extension, any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petroleums, and even the light, volatile naphthas..

Petroleum :: Petroleum (n.) Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc..

Pipage :: Pipage (n.) Transportation, as of petroleum oil, by means of a pipe conduit; also, the charge for such transportation..

Cosmoline :: Cosmoline (n.) A substance obtained from the residues of the distillation of petroleum, essentially the same as vaseline, but of somewhat stiffer consistency, and consisting of a mixture of the higher paraffines; a kind of petroleum jelly..

Undecane :: Undecane (n.) A liquid hydrocarbon, C11H24, of the methane series, found in petroleum; -- so called from its containing eleven carbon atoms in the molecule..

Heptane :: Heptane (n.) Any one of several isometric hydrocarbons, C7H16, of the paraffin series (nine are possible, four are known); -- so called because the molecule has seven carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc..

Dipropyl :: Dipropyl (n.) One of the hexane paraffins, found in petroleum, consisting of two propyl radicals. See Hexane..

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