combining form

Definition of PETR-

:  stone :  rock <petrology>
:  petroleum <petrodollar>

Variants of PETR-

petr- or petri- or petro-

Origin of PETR-

New Latin, from Greek petr-, petro-, from petros stone & petra rock


Next Word in the Dictionary: petrale sole
Previous Word in the Dictionary: pet peeve
All Words Near: petr-

Seen & Heard

What made you want to look up petr-? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More