1 trachyte | Definition of trachyte

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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More from Merriam-Webster on trachyte

Britannica.com: Encyclopedia article about trachyte