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Altitudes range from 400-700m and contain varying quantities of volcanic tuff and calcareous clays.—Paul Caputo, Forbes.com, 31 Aug. 2025 Others are more roughly hewn from tuff, a soft volcanic rock from which the famous Seven Hills of Rome are formed.—Antonia Mortensen, CNN Money, 23 July 2025 Limestone brick arches alternate with smooth tuff walls, some pockmarked, while others are chiseled with geometric shapes.—Helen Iatrou, Travel + Leisure, 2 July 2025 Other rare finds at the site include a small bronze panther, a mosaic glass spindle whorl, and a tuff — or rock — votive, according to the release.—Lauren Liebhaber, Miami Herald, 28 Apr. 2025 See All Example Sentences for tuff
Word History
Etymology
earlier tuph, tuft porous rock, from Middle French tuf, from Old Italian tufo
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