petroleum

名词 n.
中文释义
美 /pəˈtɹoʊliəm/

英文释义

名词 n.
  1. A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface. countable,uncountable
    — petroleum-based products

词形变化

petroleums plural petrolea plural petrolaeum alternative,archaic petrolæum alternative,archaic

词源

Learned borrowing from Medieval Latin petroleum. Doublet of petrol.
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