petrology Hear it!

petrology definition

pe·trol·ogy (pə träl′ə jē)

noun

the branch of geology that deals with the classification, location, composition, structure, and origin of rocks

Etymology: petro- + -logy

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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