petrography

[ pi-trog-ruh-fee ]

noun

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

petrography

/ ˌpɛtrəˈɡræfɪk; pɛˈtrɒɡrəfɪ /

noun

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

petrography

/ pə-trŏg′rə-fē /

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

Derived Forms

• petrographic, adjective
• ˌpetroˈgraphically, adverb
• peˈtrographer, noun

Other Words From

• pe·trogra·pher noun
• pet·ro·graph·ic [pe-tr, uh, -, graf, -ik], petro·graphi·cal adjective
• petro·graphi·cal·ly adverb

Word History and Origins

Origin of petrography¹

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

Example Sentences

Petrography and laboratory psychology were among the new sciences fostered by the new university.

From Project Gutenberg

Petrog′lyphy, the art of writing on rocks or stones; Petrog′rapher, a student of petrography.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

A more general name sometimes employed is that of Petrography.

From Project Gutenberg