petroleum

1. 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. Source: opted

2. n. a dark oil consisting mainly of hydrocarbons Source: wordnet

3. 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. Petroleum spirit, a volatile liquid obtained in the distillation of crude petroleum at a temperature of 170° Fahr., or below. The term is rather loosely applied to a considerable range of products, including benzine and ligroin. The terms petroleum ether, and naphtha, are sometimes applied to the still more volatile products, including rhigolene, gasoline, cymogene, etc. Source: webster

4. Rock oil, mineral oil, or natural oil, a dark brown or greenishinflammable liquid, which, at certain points, exists in the upperstrata of the earth, from whence it is pumped, or forced by pressureof the gas attending it. It consists of a complex mixture of varioushydrocarbons, largely of the methane series, but may vary much inappearance, composition, and properties. It is refined bydistillation, and the products include kerosene, benzine, gasoline,paraffin, etc. Petroleum spirit, a volatile liquid obtained in thedistillation of crude petroleum at a temperature of 170° Fahr., orbelow. The term is rather loosely applied to a considerable range ofproducts, including benzine and ligroin. The terms petroleum ether,and naphtha, are sometimes applied to the still more volatileproducts, including rhigolene, gasoline, cymogene, etc. Source: adambom

5. n:100 n. a dark oil consisting mainly of hydrocarbons Source: ecdict

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