petroleum
petroleum
意味(日本語)
石油 ◇L.petro+oleum(=oil)
語源
- petro-, petri- : Gk.petra=a stone, rock(岩)
意味(英語)
- (noun) A thick, flammable, yellow-to-black mixture of gaseous, liquid, and solid hydrocarbons that occurs naturally beneath the earth's surface, can be separated into fractions including natural gas, gasoline, naphtha, kerosene, fuel and lubricating oils, paraffin wax, and asphalt and is used as raw material for a wide variety of derivative products.
例文
- Also, what I call petroleum colors in blue, gray, green.
語源が同じ単語を一緒に覚えよう
petrify
petrify
石化させる、動けなくなる ◇petri+facere
語源
- petro-, petri- : Gk.petra=a stone, rock(岩)
petrol
petrol
(英)ガソリン
語源
- petro-, petri- : Gk.petra=a stone, rock(岩)