pum·​ice | \ ˈpə-məs How to pronounce pumice (audio) \

Definition of pumice

: a volcanic glass full of cavities and very low in density that is used especially in powder form for smoothing and polishing

Other Words from pumice

pumiceous \ pyü-​ˈmi-​shəs How to pronounce pumice (audio) , ˌpə-​ \ adjective

Examples of pumice in a Sentence

Recent Examples on the Web Inorganic amendments are perlite, pumice, vermiculite and Utelite. oregonlive, 2 Jan. 2022 As a result, the soil on the archipelago is incredibly acidic, filled with volcanic minerals like basalt, ash, granite, pumice, and obsidian. Annie Daly, Marie Claire, 25 Aug. 2021 Keep them happy: Grow monkey cups in 3 parts sphagnum moss to one part of a course material, such as perlite, orchid bark, pumice, or lava rock. Sunset Magazine, 16 Oct. 2020 Parthasarathy recommends steering clear of metal foot files or callus removers – or anything sharper than a pumice stone. Washington Post, 17 Dec. 2021 It is made of pumice and volcanic ash that erodes easily by surrounding elements. Naomi Ludlow, USA TODAY, 23 Oct. 2021 Physical exfoliants: This type of exfoliant is made of rough particles such as apricot pits, pumice or sugar crystals. Joseph Deacetis, Forbes, 30 Dec. 2021 Unlike Pompeii, Herculaneum was not blanketed with ash and pumice; it was buried only by a series of pyroclastic flows, which hardened into a layer of deep rock, through which workmen could dig narrow tunnels only with great difficulty. Rebecca Mead, The New Yorker, 22 Nov. 2021 First, use the eucalyptus foaming foot scrub and pumice to scrub away calluses and dead skin. Sarah Boyd, Forbes, 21 Oct. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pumice.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pumice

15th century, in the meaning defined above

History and Etymology for pumice

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

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Time Traveler for pumice

Time Traveler

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

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Dictionary Entries Near pumice



pumiced sole

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Cite this Entry

“Pumice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pumice. Accessed 16 May. 2022.

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More Definitions for pumice


pum·​ice | \ ˈpə-məs How to pronounce pumice (audio) \

Kids Definition of pumice

: a very light porous volcanic glass that is used in powder form for smoothing and polishing


pum·​ice | \ ˈpəm-əs How to pronounce pumice (audio) \

Medical Definition of pumice

: a volcanic glass full of cavities and very light in weight used especially in powder form for smoothing and polishing

More from Merriam-Webster on pumice

Nglish: Translation of pumice for Spanish Speakers

Britannica.com: Encyclopedia article about pumice


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