pe·​trol·​o·​gy | \ pə-ˈträ-lə-jē How to pronounce petrology (audio) , pe- \

Definition of petrology

: a science that deals with the origin, history, occurrence, structure, chemical composition, and classification of rocks

Other Words from petrology

petrologic \ ˌpe-​trə-​ˈlä-​jik How to pronounce petrology (audio) \ or petrological \ ˌpe-​trə-​ˈlä-​ji-​kəl How to pronounce petrology (audio) \ adjective
petrologically \ ˌpe-​trə-​ˈlä-​ji-​k(ə-​)lē How to pronounce petrology (audio) \ adverb
petrologist \ pə-​ˈträ-​lə-​jist How to pronounce petrology (audio) , pe-​ \ noun

Examples of petrology in a Sentence

Recent Examples on the Web Finally, in early August I’ll be headed to a SERC workshop on teaching mineralogy, petrology and geochemistry in Minneapolis – Erik Klemetti, WIRED, 7 June 2011

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'petrology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of petrology

1811, in the meaning defined above

History and Etymology for petrology

petro- + -logy

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Time Traveler for petrology

Time Traveler

The first known use of petrology was in 1811

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Dictionary Entries Near petrology



petrol station

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Statistics for petrology

Cite this Entry

“Petrology.” Dictionary, Merriam-Webster, Accessed 22 Jan. 2022.

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