: a rock composed of the finer kinds of volcanic detritus usually fused together by heat
Examples of tuff in a Sentence
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The original tuff arches carried the Marcia across a steep ravine.
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David Laskin, San Diego Union-Tribune, 2 June 2024
The mixture slowly cooled and fused into a tuff of rhyolite.
—Roger Naylor, The Arizona Republic, 11 Apr. 2024
Diamond Head — a volcanic tuff cone — is just plain cool.
—Genevieve Ko, Travel + Leisure, 31 Jan. 2024
Neolithic ax heads were commonly made of materials like flint, volcanic tuff and granite.
—Christopher Parker, Smithsonian Magazine, 17 July 2023
See all Example Sentences for tuff 
David Laskin, San Diego Union-Tribune, 2 June 2024
The mixture slowly cooled and fused into a tuff of rhyolite.
—Roger Naylor, The Arizona Republic, 11 Apr. 2024
Diamond Head — a volcanic tuff cone — is just plain cool.
—Genevieve Ko, Travel + Leisure, 31 Jan. 2024
Neolithic ax heads were commonly made of materials like flint, volcanic tuff and granite.
—Christopher Parker, Smithsonian Magazine, 17 July 2023
See all Example Sentences for tuff
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tuff.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Tuff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuff. Accessed 27 Jul. 2024.
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