Definition of petro- in English:


Syllabification: petro-

combining form

  • 1Of rock; relating to rocks: petrography
  • 2Relating to petroleum: petrodollar


sense 1 from Greek petros 'stone', petra 'rock'; sense 2 from petroleum.

More definitions of petro-

Definition of petro- in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody