petrology

[pi-trol-uh-jee]

Origin of petrology

First recorded in 1805–15; petro-1 + -logy
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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for petrology

Historical Examples of petrology


British Dictionary definitions for petrology

petrology

noun plural -gies
  1. the study of the composition, origin, structure, and formation of rocksAbbreviation: petrol
Derived Formspetrological (ˌpɛtrəˈlɒdʒɪkəl), adjectivepetrologically, adverbpetrologist, noun
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

Word Origin and History for petrology
n.

1811 (erroneously as petralogy), from petro- (1) "rock" + -ology.

Online Etymology Dictionary, © 2010 Douglas Harper

petrology in Science

petrology

[pə-trŏlə-jē]
  1. 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.