petrography

[ pi-trog-ruh-fee ]
/ pɪˈtrɒg rə fi /

noun

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

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Origin of petrography

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

OTHER WORDS FROM petrography

pe·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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for petrography

British Dictionary definitions for petrography

petrography
/ (pɛˈtrɒɡrəfɪ) /

noun

the branch of petrology concerned with the description and classification of rocksAbbreviation: petrog

Derived forms of petrography

petrographer, 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

Scientific definitions for petrography

petrography
[ pə-trŏgrə-fē ]

The description and classification of rocks, especially by means of microscopic analysis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.