peridotite

noun
pe·​ri·​do·​tite | \ pə-ˈri-də-ˌtīt How to pronounce peridotite (audio) \

Definition of peridotite

: any of a group of granular igneous rocks composed of ferromagnesian minerals and especially olivine

Other Words from peridotite

peridotitic \ pə-​ˌri-​də-​ˈti-​tik How to pronounce peridotitic (audio) \ adjective

First Known Use of peridotite

1882, in the meaning defined above

History and Etymology for peridotite

French péridotite, from péridot

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The first known use of peridotite was in 1882

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Cite this Entry

“Peridotite.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/peridotite. Accessed 25 January 2020.

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Britannica.com: Encyclopedia article about peridotite

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