the scientific study of rocks, including petrography and petrogenesis.
Origin of petrology
Related formspet·ro·log·ic [pe-truh-loj-ik] /ˌpɛ trəˈlɒdʒ ɪk/, pet·ro·log·i·cal, adjectivepet·ro·log·i·cal·ly, adverbpe·trol·o·gist, noun
First recorded in 1805–15; petro-1
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for petrology
Historical Examples of petrology
The petrology of these may be divided into four type classes:—1.
Petrology entered upon a new and wider field of investigation.
He was distinguished for his researches on mineralogy, crystallography and petrology.
I got the title of professor from a college back East where I lecture occasionally on mineralogy and petrology.
The investigation of the crust belongs to geology and of rocks in particular to petrology.
British Dictionary definitions for petrology
noun plural -gies
Derived Formspetrological (ˌpɛtrəˈlɒdʒɪkəl), adjectivepetrologically, adverbpetrologist, noun
the study of the composition, origin, structure, and formation of rocksAbbreviation: petrol
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for petrology
1811 (erroneously as petralogy), from petro- (1) "rock" + -ology.
Online Etymology Dictionary, © 2010 Douglas Harper
The scientific study of the origin, composition, and structure of rocks.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.