petrography

noun

pe·​trog·​ra·​phy pə-ˈträ-grə-fē How to pronounce petrography (audio)
pe-
: the description and systematic classification of rocks
petrographer noun
petrographic adjective
or petrographical
petrographically adverb

Word History

Etymology

petro- + -graphy

First Known Use

1651, in the meaning defined above

Time Traveler
The first known use of petrography was in 1651

Dictionary Entries Near petrography

Cite this Entry

“Petrography.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petrography. Accessed 30 Nov. 2024.

More from Merriam-Webster on petrography

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!