pe·​trol·​o·​gy | \pə-ˈträ-lə-jē, pe-\

Definition of petrology 

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

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Other Words from petrology

petrologic \ˌpe-​trə-​ˈlä-​jik \ or petrological \ˌpe-​trə-​ˈlä-​ji-​kəl \ adjective
petrologically \ˌpe-​trə-​ˈlä-​ji-​k(ə-​)lē \ adverb
petrologist \pə-​ˈträ-​lə-​jist, 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, "Summer Schedule 2011," 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

International Scientific Vocabulary

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Time Traveler for petrology

The first known use of petrology was in 1811

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the figure or shape of a crescent moon

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