petrology
noun
pe·trol·o·gy
pə-ˈträ-lə-jē 
pe-
: a science that deals with the origin, history, occurrence, structure, chemical composition, and classification of rocks
Examples of petrology in a Sentence
Recent Examples on the Web
To establish the age of these rocks, the researchers combined petrology and geochemistry and applied two radiometric dating methods using different isotopes of the elements samarium and neodymium.
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David Bressan, Forbes.com, 27 June 2025
Her work and dedication helped establish the igneous petrology (the study of magma) and geothermal branch of the USGS.
—Erik Klemetti, Discover Magazine, 27 Mar. 2023
Belfanti was pursuing a doctorate in igneous petrology at Vanderbilt University in Nashville, before moving to Melrose, where his parents were living, in 2018.
—Jon Chesto, BostonGlobe.com, 20 Mar. 2023
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
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David Bressan, Forbes.com, 27 June 2025
Her work and dedication helped establish the igneous petrology (the study of magma) and geothermal branch of the USGS.
—Erik Klemetti, Discover Magazine, 27 Mar. 2023
Belfanti was pursuing a doctorate in igneous petrology at Vanderbilt University in Nashville, before moving to Melrose, where his parents were living, in 2018.
—Jon Chesto, BostonGlobe.com, 20 Mar. 2023
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
Cite this Entry
“Petrology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petrology. Accessed 4 Nov. 2025.
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