PETRO-


Meaning of PETRO- in English

petro- 1

a combining form meaning "rock," "stone," used in the formation of compound words: petrology.

Also, petri-; esp. before a vowel, petr- .

[ pétra rock, pétros a stone ]

petro- 2

a combining form meaning "petroleum," "the extraction and export of petroleum," used in the formation of compound words: petrochemistry; petropower.

[ extracted from PETROLEUM ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .