Meaning of PETROLEUM in English

PETROLEUM

n. a hydrocarbon oil found in the upper strata of the earth, refined for use as a fuel for heating and in internal-combustion engines, for lighting, dry-cleaning, etc.

Phrases and idioms:

petroleum ether a volatile liquid distilled from petroleum, consisting of a mixture of hydrocarbons. petroleum jelly a translucent solid mixture of hydrocarbons used as a lubricant, ointment, etc.

Etymology: med.L f. L petra rock f. Gk + L oleum oil

Oxford English vocab.      Оксфордский английский словарь.