petroleum
Longman Dictionary of Contemporary English 5++LDOCE 5++pe·tro·le·um /pəˈtrəʊliəm $ -ˈtroʊ-/ noun [uncountable] HEGoil that is obtained from below the surface of the Earth and is used to make petrol, paraffin, and various chemical substances 石油 petroleum-based products 石油产品
Examples from the Corpus
petroleum• petroleum-based plastic• A petroleum engineer with 3 5 years of international experience.• Huge industrial sectors built up in the 70s and 80s-including petroleum, telecommunications and automobiles-will be especially vulnerable.• The gap between low cost and high value makes petroleum a highly political resource.• Suprex has introduced the Aromatic Analyser which determines the aromatic content of petroleum fuels.• For distillation, refining or other processing of petroleum or petroleum products 3.• Plastic-producing petroleum is a finite resource.• Local oil companies want a 10 percent tariff on refined petroleum products and 3 percent duty for imported crude oil.• Repsol is a bigger refiner than producer, and buys up to 75 percent of the petroleum it uses.Origin petroleum (1500-1600) Medieval Latin petroleum, from Latin petr- (from Greek petra “rock”) + oleum ( → OIL1)pe·tro·le·um nounChineseSyllable
below surface from Earth is that the oil of Corpus the obtained
petroleum
pe‧tro‧le‧um /pəˈtrəʊliəm, pɪˈtrəʊliəm $ -ˈtroʊ-/
noun [uncountable]
petroleum-based products
pe‧tro‧le‧um /pəˈtrəʊliəm, pɪˈtrəʊliəm $ -ˈtroʊ-/
noun [uncountable] Date: 1500-1600
Language: Medieval Latin
Origin: petroleum, from Latin petr- (from Greek petra 'rock') + oleum ( ⇨ oil1)
oil that is obtained from below the surface of the Earth and is used to make petrol, paraffin, and various chemical substances:Language: Medieval Latin
Origin: petroleum, from Latin petr- (from Greek petra 'rock') + oleum ( ⇨ oil1)