English definition of Petroleum

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Definition of petroleum

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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..

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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..

Petrol :: Petrol (n.) Petroleum.

Tridecatylene :: Tridecatylene (n.) A hydrocarbon, C13H26, of the ethylene series, corresponding to tridecane, and obtained from Burmah petroleum as a light colorless liquid; -- called also tridecylene, and tridecene..

Octonaphthene :: Octonaphthene (n.) A colorless liquid hydrocarbon of the octylene series, occurring in Caucasian petroleum..

Propane :: Propane (n.) A heavy gaseous hydrocarbon, C3H8, of the paraffin series, occurring naturally dissolved in crude petroleum, and also made artificially; -- called also propyl hydride..

Gasoline :: Gasoline (n.) A highly volatile mixture of fluid hydrocarbons, obtained from petroleum, as also by the distillation of bituminous coal. It is used in making air gas, and in giving illuminating power to water gas. See Carburetor..

Naphtha :: Naphtha (n.) The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called crude petroleum, mineral oil, or rock oil. Specifically: That portion of the distillate obtained in the refinement of petroleum which is intermediate between the lighter gasoline and the heavier benzine, and has a specific gravity of about 0.7, -- used as a solvent for varnishes, as a carburetant, illuminant, etc..

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

Petroline :: Petroline (n.) A paraffin obtained from petroleum from Rangoon in India, and practically identical with ordinary paraffin..

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

Bucket Shop :: Bucket shop () An office or a place where facilities are given for betting small sums on current prices of stocks, petroleum, etc..

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

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

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..

Naphtha :: Naphtha (n.) One of several volatile inflammable liquids obtained by the distillation of certain carbonaceous materials and resembling the naphtha from petroleum; as, Boghead naphtha, from Boghead coal (obtained at Boghead, Scotland); crude naphtha, or light oil, from coal tar; wood naphtha, from wood, etc..

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

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..

Naphthene :: Naphthene (n.) A peculiar hydrocarbon occuring as an ingredient of Caucasian petroleum.

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..

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