petrography

American  

[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.

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petrography British  

/ ˌpɛtrəˈɡræfɪk, pɛˈtrɒɡrəfɪ /

noun

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

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petrography Scientific  

/ pə-trŏg′rə-fē /

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

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Other Word Forms

• petrographer
  noun
• petrographic
  adjective
• petrographical
  adjective
• petrographically
  adverb

Etymology

Origin of petrography

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

Example Sentences

Endress, M., Spettel, B. & Bischoff, A. Chemistry, petrography and mineralogy of the Tonk CI chondrite: preliminary results.

From Nature • Nov. 28, 2017

A feature of his tenure of office was the impetus given to microscopic petrography, a branch of geology to which he had devoted special study, by a splendid collection of sections of British rocks.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

The City worried him a good deal, and what energy he had left over he spent partly in golf, a game he treated very seriously, and partly in the practices of microscopic petrography.

From Ann Veronica, a modern love story by Wells, H. G. (Herbert George)

A faint buzz above the ceiling witnessed that petrography, too, was active.

From Ann Veronica, a modern love story by Wells, H. G. (Herbert George)

Elements of optical mineralogy; an introduction to microscopic petrography.

From U.S. Copyright Renewals, 1964 July - December by Library of Congress. Copyright Office