: 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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While the set comes with a small Kanuma pumice incense holder, the brand’s bronze asymmetrical beauty—designed in collaboration with Vogel Studio—gives the ritual of burning incense an elegant flair.
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Lauren Arzbaecher, Architectural Digest, 28 Apr. 2025
In October, the Turkish supplier of ecological pumice stone alternatives, won first prize in the Techstyle for Social Good Global Innovation Challenge organized by The Mills Fabrica for its innovative and sustainable approach to denim washing.
—Angela Velasquez, Sourcing Journal, 21 Apr. 2025
Reports from British ships in the Indian Ocean described encountering vast floating rafts of pumice, some stretching up to five kilometers wide.
—Scott Travers, Forbes, 8 Dec. 2024
The report highlights the denim industry’s use of hazardous chemicals (24 percent of processes), particularly potassium permanganate (PP) and pumice stones.
—Angela Velasquez, Sourcing Journal, 7 Apr. 2025
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Lauren Arzbaecher, Architectural Digest, 28 Apr. 2025
In October, the Turkish supplier of ecological pumice stone alternatives, won first prize in the Techstyle for Social Good Global Innovation Challenge organized by The Mills Fabrica for its innovative and sustainable approach to denim washing.
—Angela Velasquez, Sourcing Journal, 21 Apr. 2025
Reports from British ships in the Indian Ocean described encountering vast floating rafts of pumice, some stretching up to five kilometers wide.
—Scott Travers, Forbes, 8 Dec. 2024
The report highlights the denim industry’s use of hazardous chemicals (24 percent of processes), particularly potassium permanganate (PP) and pumice stones.
—Angela Velasquez, Sourcing Journal, 7 Apr. 2025
See All Example Sentences for pumice
Cite this Entry
“Pumice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pumice. Accessed 4 May. 2025.
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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