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petrography

[pi-trog-ruh-fee] /pɪˈtrɒg rə fi/
noun
1.
the branch of petrology dealing with the description and classification of rocks, especially by microscopic examination.
Origin
1645-1655
1645-55; < Neo-Latin petrographia. See petro-1, -graphy
Related forms
petrographer, noun
petrographic
[pe-truh-graf-ik] /ˌpɛ trəˈgræf ɪk/ (Show IPA),
petrographical, adjective
petrographically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for petrographer

petrography

/pɛˈtrɒɡrəfɪ/
noun
1.
the branch of petrology concerned with the description and classification of rocks petrog
Derived Forms
petrographer, noun
petrographic (ˌpɛtrəˈɡræfɪk), petrographical, adjective
petrographically, 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
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petrographer in Science
petrography
  (pə-trŏg'rə-fē)   
The description and classification of rocks, especially by means of microscopic analysis.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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