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  

/ 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

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Etymology

Origin of petrography

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

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Example Sentences

See Examples For:

petrography

The team then examined thin slices of the fragments under a microscope using a technique called petrography.

From Science Daily ● Oct. 6, 2026

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 H. G. (Herbert George) Wells

Thus from mineralogy and petrography it contains information regarding the origin and subsequent mutations of minerals and rocks.

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

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

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

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