trachyte

noun
tra·​chyte | \ ˈtra-ˌkīt How to pronounce trachyte (audio) , ˈtrā- \

Definition of trachyte

: a usually light-colored volcanic rock consisting chiefly of potash feldspar

First Known Use of trachyte

1821, in the meaning defined above

History and Etymology for trachyte

French, from Greek trachys rough

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The first known use of trachyte was in 1821

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Cite this Entry

“Trachyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trachyte. Accessed 20 Jan. 2021.

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Britannica.com: Encyclopedia article about trachyte

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