petrographer, n.petrographic /pe'treuh graf"ik/, petrographical, adj.petrographically, adv.
/pi trog"reuh fee/, n.
the branch of petrology dealing with the description and classification of rocks, esp. by microscopic examination.
[1645-55; < NL petrographia. See PETRO-1, -GRAPHY]

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Universalium. 2010.

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  • petrography — noun Etymology: New Latin petrographia, from petr + Latin graphia graphy Date: 1651 the description and systematic classification of rocks • petrographer noun • petrographic or petrographical adjective • petrographically adverb …   New Collegiate Dictionary

  • petrography — noun the branch of petrology that deals with the scientific description and classification of rocks …   Wiktionary

  • petrography —    The science of describing and identifying rocks [16] …   Lexicon of Cave and Karst Terminology

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  • petrography — pe·trog·ra·phy || pɪ trÉ‘grÉ™fɪ /pɪ trÉ’ n. study and classification of rocks …   English contemporary dictionary

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