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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.


petrography British  
/ ˌpɛtrəˈɡræfɪk, pɛˈtrɒɡrəfɪ /

noun

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

"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 Scientific  
/ pə-trŏgrə-fē /
  1. The description and classification of rocks, especially by means of microscopic analysis.


Other Word Forms

Etymology

Origin of petrography

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Nature • Nov. 28, 2017

After dinner Ann Veronica went into the drawing-room with Miss Stanley, and her father went up to his den for his pipe and pensive petrography.

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

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

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

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

Development of Petrographical Geology.—Theophrastus, the favourite pupil of Aristotle, wrote a treatise On Stones, which has come down to our own day, and may be regarded as the earliest work on petrography.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

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