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petroleum (noun)

См. также в других словарях:

  • petroleum — ► NOUN ▪ a hydrocarbon oil found in rock strata and extracted and refined to produce fuels including petrol, paraffin, and diesel oil; oil. ORIGIN Latin, from petra rock + oleum oil …   English terms dictionary

  • petroleum ether — noun : a volatile flammable petroleum distillate (as ligroin or petroleum benzin) * * * a flammable, low boiling hydrocarbon mixture produced by the fractional distillation of petroleum, used as a solvent. [1865 70] * * * petroleum ether noun A… …   Useful english dictionary

  • petroleum geologist — noun a specialist in petroleum geology (Freq. 1) • Syn: ↑oil geologist • Hypernyms: ↑geologist * * * noun : a specialist in petroleum geology * * * petroleum geologist, an expert in or a student of the branch of geology dealing with petr …   Useful english dictionary

  • petroleum coke — noun : a solid nonvolatile residue which is obtained as the final still product in the distillation of crude petroleum and whose purity makes it desirable for metallurgical processes, for carbon electrodes, and as a fuel * * * petroleum coke noun …   Useful english dictionary

  • petroleum — UK US /pəˈtrəʊliəm/ noun [U] ► NATURAL RESOURCES a dark thick oil obtained from under the ground, from which various substances, including petrol, are produced: »Imports of petroleum and petroleum products declined by 23.9 %. »Most industrialized …   Financial and business terms

  • petroleum ether — noun A volatile petroleum fraction, usually available in a number of fractions boiling between 40°C and 140°C. Used as a solvent in the laboratory and industry. Syn: ligroin, petroleum spirit, petroleum spirits …   Wiktionary

  • petroleum revenue tax — UK US noun [C] ► TAX, ECONOMICS, NATURAL RESOURCES a tax on petroleum in relation to its value: »Petroleum revenue tax has risen by over 60% …   Financial and business terms

  • petroleum fly — noun : an ephydrid fly (Psilopa petrolei) that breeds in pools of waste petroleum * * * petroleum fly, a fly found near pools of crude petroleum in which it breeds …   Useful english dictionary

  • petroleum jelly — noun Date: 1897 a neutral unctuous odorless tasteless substance obtained from petroleum and used especially in ointments and dressings …   New Collegiate Dictionary

  • petroleum spirit — noun petroleum ether …   Wiktionary

  • petroleum jelly — noun A pale yellow semisolid mixture of hydrocarbons obtained from petroleum; used in lubricants and ointments. Syn: petrolatum, vaseline See Also: Vaseline, petrolatum, paraffinum molle album, paraffinum molle flavum …   Wiktionary

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