pumice

noun

pum·​ice ˈpə-məs How to pronounce pumice (audio)
: a volcanic glass full of cavities and very low in density that is used especially in powder form for smoothing and polishing
pumiceous adjective

Examples of pumice in a Sentence

Recent Examples on the Web
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.
Dissolving pumice beads provides a textural grit that immediately sloughs away some of the bigger bumps while AHAs provide invisible decongestion and cell turnover. Tamim Alnuweiri, InStyle, 5 June 2026 Scrub especially dirty grates with a block of pumice, then wash grates well to remove pumice dust. Emerson Latham, Better Homes & Gardens, 30 May 2026 Historically, brands have used pumice stones to achieve a worn, stonewashed look — with stones often shipped from Mexico, adding transport emissions and cost to the process. ABC News, 28 May 2026 Gently rub the pumice stone over the surface of the soap scum, rinsing away any residue that collects on it. Karen Brewer Grossman, Southern Living, 22 May 2026 See All Example Sentences for pumice

Word History

Etymology

Middle English pomis, from Anglo-French pomice, from Latin pumic-, pumex — more at foam

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of pumice was in the 15th century

Browse Nearby Words

Cite this Entry

“Pumice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pumice. Accessed 13 Jun. 2026.

Kids Definition

pumice

noun
pum·​ice ˈpəm-əs How to pronounce pumice (audio)
: a very light glass that is formed by the rapid cooling of lava from volcanoes, is full of small holes, and is used especially in powder form for smoothing and polishing

Medical Definition

pumice

noun
pum·​ice ˈpəm-əs How to pronounce pumice (audio)
: a volcanic glass full of cavities and very light in weight used especially in powder form for smoothing and polishing

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