Share this entry

Share this page

petroleum

Syllabification: pe·tro·le·um
Pronunciation: /pəˈtrōlēəm
 
/

Definition of petroleum in English:

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.
Example sentences
  • Liquid paraffin is a mixture of liquid hydrocarbons obtained from petroleum.
  • Benzene is a colorless and highly flammable liquid hydrocarbon derived from petroleum.
  • Eocene formations are important source or reservoir rocks for petroleum or gas in several parts of the world.

Origin

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

Words that rhyme with petroleum

linoleum

Definition of petroleum in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day cumbersome
Pronunciation: ˈkʌmbəs(ə)m
adjective
large or heavy and therefore difficult to carry…