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petrography

[ pi-trog-ruh-fee ]

noun

  1. the branch of petrology dealing with the description and classification of rocks, especially by microscopic examination.


petrography

/ ˌpɛtrəˈɡræfɪk; pɛˈtrɒɡrəfɪ /

noun

  1. the branch of petrology concerned with the description and classification of rocks petrog
“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


petrography

/ pə-trŏgrə-fē /

  1. The description and classification of rocks, especially by means of microscopic analysis.


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Derived Forms

  • petrographic, adjective
  • ˌpetroˈgraphically, adverb
  • peˈtrographer, noun
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Other Words From

  • pe·trogra·pher noun
  • pet·ro·graph·ic [pe-tr, uh, -, graf, -ik], petro·graphi·cal adjective
  • petro·graphi·cal·ly adverb
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Word History and Origins

Origin of petrography1

From the New Latin word petrographia, dating back to 1645–55. See petro- 1, -graphy
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Example Sentences

Petrography and laboratory psychology were among the new sciences fostered by the new university.

Petrog′lyphy, the art of writing on rocks or stones; Petrog′rapher, a student of petrography.

The publication of this scheme may be said to mark the beginning of scientific petrography.

Thus from mineralogy and petrography it contains information regarding the origin and subsequent mutations of minerals and rocks.

A more general name sometimes employed is that of Petrography.

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