: a usually light-colored volcanic rock consisting chiefly of potash feldspar
Example Sentences
Recent Examples on the WebSome 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
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