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petrog.
abbreviation for
- petrography.
petrog.
abbreviation for
- petrography
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Example Sentences
Petrog′eny, the science of the origin of rocks; Pet′roglyph, a rock-carving.
From Project Gutenberg
Petrog′lyphy, the art of writing on rocks or stones; Petrog′rapher, a student of petrography.
From Project Gutenberg
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