Subscriber login


Forgot your password?

Library card login

Other

petroleum

Syllabification: (pe·tro·le·um)
Pronunciation: /pəˈtrōlēəm/
Translate petroleum | into French | into German | into Italian | into Spanish
Definition of petroleum

noun

  • a liquid mixture of hydrocarbons that is present in certain rock strata and can be extracted and refined to produce fuels including gasoline, kerosene, and diesel oil; oil.

Origin:

late Middle English: from medieval Latin, from Latin petra 'rock' (from Greek) + Latin oleum 'oil'

petroleum in other Oxford dictionaries

Definition of petroleum in the British & World English dictionary