petroleum

CET-4 大学 FREQ #19826 ★★☆☆☆

n. 石油 [化] 石油

发音

US /pəˈtɹoʊliəm/

词形变化

petrolea petroleums 复数 petroleums petrolea 复数

别名

POL petrolaeum petrolæum

教材释义与例句

名词

石油

释义与例句

n.
  1. 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.

    可数 不可数

    petroleum-based products

词汇关系

名词

同义词 5

oil crude crude oil fossil oil rock oil

上位词 2

oil fossil fuel

下位词 1

resid

部分词 2

c carbon

相关短语

petroleum jelly [医] 石油凝胶, 凡士林, 软石蜡 petroleum coke [化] 石油焦炭 petroleum ether [化] 石油醚 [医] 石油醚, 石油精 [经] 石油醚 petroleum spirit [医] 石油精, 汽油 petroleum spirits petroleum jellies petroleum fly petroleum flies petroleum cokes Petroleum County petroleum reservoir petroleum reservoirs packaged petroleum product packaged petroleum products liquefied petroleum gas [机] 液化石油气

词源

From Medieval Latin petroleum, from petra (“rock”) + oleum (“oil”). Doublet of petrol.

来源：wiktionary