Variant: or petri- or petro-
Function: combining form
Etymology: New Latin, from Greek petr-, petro-, from petros stone & petra rock
1 : stone : rock < petro logy>
2 : petroleum < petro dollar>
Variant: or petri- or petro-
Function: combining form
Etymology: New Latin, from Greek petr-, petro-, from petros stone & petra rock
1 : stone : rock < petro logy>
2 : petroleum < petro dollar>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012