tra·​chyte ˈtra-ˌkīt How to pronounce trachyte (audio)
: a usually light-colored volcanic rock consisting chiefly of potash feldspar

Examples of trachyte in a Sentence

Recent Examples on the Web Some samples preserve more of the mixing, thus contain the trachyte. Erik Klemetti, Discover Magazine, 28 Nov. 2011 That compositional different might suggest that the two true end members are the basanite and the rhyolite while the trachyte might be a mix of the two. Erik Klemetti, Discover Magazine, 28 Nov. 2011 Now, after years of protests and problems, the city has decided to replace the translucent glass with less slippery — and less glamorous — trachyte stone. New York Times, 2 Jan. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'trachyte.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


French, from Greek trachys rough

First Known Use

1821, in the meaning defined above

Time Traveler
The first known use of trachyte was in 1821

Dictionary Entries Near trachyte

Cite this Entry

“Trachyte.” Dictionary, Merriam-Webster, Accessed 24 Jul. 2024.

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