: a volcanic glass full of cavities and very low in density that is used especially in powder form for smoothing and polishing
Examples of pumice in a Sentence
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Nill’s family constructed the current building out of pumice blocks and metal in 1986 on what was left.
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Angela Palermo, Idaho Statesman, 9 May 2024
There is evidence that the room was part of a building that was being restored when Mount Vesuvius abruptly erupted, burying the city in pumice stones and ash in A.D. 79, Mr. Zuchtriegel said in a telephone interview.
—Elisabetta Povoledo, New York Times, 11 Apr. 2024
See all Example Sentences for pumice 
Angela Palermo, Idaho Statesman, 9 May 2024
There is evidence that the room was part of a building that was being restored when Mount Vesuvius abruptly erupted, burying the city in pumice stones and ash in A.D. 79, Mr. Zuchtriegel said in a telephone interview.
—Elisabetta Povoledo, New York Times, 11 Apr. 2024
See all Example Sentences for pumice
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pumice.' 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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“Pumice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pumice. Accessed 29 May. 2024.
Copy CitationKids Definition
pumice
noun
pum·ice
ˈpəm-əs 
: 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
: a volcanic glass full of cavities and very light in weight used especially in powder form for smoothing and polishing
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