petrology [pi-trol-uh-jee] EXAMPLES|WORD ORIGIN noun the scientific study of rocks, including petrography and petrogenesis.

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  • 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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for petrologist Historical Examples of petrologist

  • From a climber’s rather than a petrologist’s point of view, volcanic rocks are liable to seem both very hard and very brittle.

    The Alps

    Martin Conway

  • British Dictionary definitions for petrologist petrology noun plural -gies 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 petrologist petrology n.

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

    Online Etymology Dictionary, © 2010 Douglas Harper petrologist in Science petrology [pə-trŏl′ə-jē] 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.

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