tuff

noun

: a rock composed of the finer kinds of volcanic detritus usually fused together by heat
tuffaceous adjective

Examples of tuff in a Sentence

Recent Examples on the Web
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The petroglyphs can be found on volcanic tuff formations formed over 760,000 years ago when a large eruption released hot ash that settled over the region. Nathan Solis, Los Angeles Times, 11 Mar. 2025 The collection includes a traditional gamelan ensemble, a 19th-century star calendar used to predict destinies and a pair of 17th-century celestial maidens intricately carved from pink volcanic tuff stone. Roger Sands, Forbes, 7 Mar. 2025 Burial remains were also found grouped together in lined pits covered with tuff slabs. Francesca Aton, ARTnews.com, 28 Jan. 2025 The collection also includes a gamelan and other musical instruments, a 19th-century star calendar created to predict the likely destiny of a person born on a certain day, and a duo of 17th-century celestial royal maidens carved from pink volcanic tuff stone. Ashlea Halpern, TIME, 25 July 2024 See All Example Sentences for tuff

Word History

Etymology

earlier tuph, tuft porous rock, from Middle French tuf, from Old Italian tufo

First Known Use

1815, in the meaning defined above

Time Traveler
The first known use of tuff was in 1815

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Cite this Entry

“Tuff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuff. Accessed 14 Mar. 2025.

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