: a rock composed of the finer kinds of volcanic detritus usually fused together by heat
Examples of tuff in a Sentence
Recent Examples on the Web
Limestone brick arches alternate with smooth tuff walls, some pockmarked, while others are chiseled with geometric shapes.
—
Helen Iatrou, Travel + Leisure, 2 July 2025
Instantly, the summer heat of Rome was replaced by the cold, clammy air of tunnels that, like the Labyrinth of Rome, were first carved to mine tuff.
—Tony Perrottet, Smithsonian Magazine, 24 Mar. 2025
With its tuff walls, traces of the altar, natural light and contemporary artwork, everything is arranged to strike a balance between the sacred and the everyday.
—Jim Dobson, Forbes.com, 16 June 2025
Based on radiometric dating of zircon grains preserved in tuff layers interbedded between the mudstone and amber beds, the entire sedimentary succession formed around 116 and 114 million years ago.
—David Bressan, Forbes.com, 27 May 2025
See All Example Sentences for tuff
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Helen Iatrou, Travel + Leisure, 2 July 2025
Instantly, the summer heat of Rome was replaced by the cold, clammy air of tunnels that, like the Labyrinth of Rome, were first carved to mine tuff.
—Tony Perrottet, Smithsonian Magazine, 24 Mar. 2025
With its tuff walls, traces of the altar, natural light and contemporary artwork, everything is arranged to strike a balance between the sacred and the everyday.
—Jim Dobson, Forbes.com, 16 June 2025
Based on radiometric dating of zircon grains preserved in tuff layers interbedded between the mudstone and amber beds, the entire sedimentary succession formed around 116 and 114 million years ago.
—David Bressan, Forbes.com, 27 May 2025
See All Example Sentences for tuff
Cite this Entry
“Tuff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuff. Accessed 22 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share