| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024pe•tro•le•um /pəˈtroʊliəm/USA pronunciation n. [uncountable]- Chemistryan oily, thick, easily burned liquid that is a mixture of various hydrocarbons, used as fuel or made into gasoline, benzene, kerosene, etc.
WordReference Random House Unabridged Dictionary of American English © 2024pe•tro•le•um (pə trō′lē əm),USA pronunciation n. - Chemistryan oily, thick, flammable, usually dark-colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling: used in a natural or refined state as fuel, or separated by distillation into gasoline, naphtha, benzene, kerosene, paraffin, etc.
- Greek pétra) + oleum oil
- Medieval Latin: literally, rock oil, equivalent. to Latin petr(a) rock (
- 1520–30
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