petrographer

Variant of petrography

petrography definition

pe·trog·ra·phy (pə träg′rə fē)

noun

the branch of petrology that deals with the description and classification of rocks, esp. by means of examination under a microscope

Etymology: ModL petrographia: see petro- + -graphy

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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