Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

petr-


petr-

combining form

Definition of PETR-

1
: stone : rock <petrology>
2
: petroleum <petrodollar>

Variants of PETR-

petr- or petri- or petro-

Origin of PETR-

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

Browse

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).