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petrog.

abbreviation for

  1. petrography.

petrog.

abbreviation for

  1. petrography
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Example Sentences

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.

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petrodollarspetrogenesis

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