petrog.
petrography.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for petrog.
Petrog′eny, the science of the origin of rocks; Pet′roglyph, a rock-carving.
Petrog′lyphy, the art of writing on rocks or stones; Petrog′rapher, a student of petrography.
British Dictionary definitions for petrog.
petrog.
abbreviation for
petrography
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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