petrography

[pi-trog-ruh-fee]
noun
  1. the branch of petrology dealing with the description and classification of rocks, especially by microscopic examination.

Origin of petrography

From the New Latin word petrographia, dating back to 1645–55. See petro-1, -graphy
Related formspe·trog·ra·pher, nounpet·ro·graph·ic [pe-truh-graf-ik] /ˌpɛ trəˈgræf ɪk/, pet·ro·graph·i·cal, adjectivepet·ro·graph·i·cal·ly, adverb
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Examples from the Web for petrography

Historical Examples of petrography


British Dictionary definitions for petrography

petrography

noun
  1. the branch of petrology concerned with the description and classification of rocksAbbreviation: petrog
Derived Formspetrographer, nounpetrographic (ˌpɛtrəˈɡræfɪk) or petrographical, adjectivepetrographically, adverb
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 in Science

petrography

[pə-trŏgrə-fē]
  1. The description and classification of rocks, especially by means of microscopic analysis.
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