pumice

noun
pum·​ice | \ˈpə-məs \

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

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Other Words from pumice

pumiceous \pyü-​ˈmi-​shəs, ˌpə-​ \ adjective

Examples of pumice in a Sentence

Recent Examples on the Web

In the first phase, immediately after the eruption, a long column of ash and pumice blanketed the surrounding towns, most notably Pompeii and Herculaneum. Jennifer Ouellette, Ars Technica, "Extreme heat of Vesuvius eruption vaporized body fluids, exploded skulls," 9 Oct. 2018 First the raw denim was washed in a drum filled with pumice stones and bleach, then it was cut and sewn into shape. refinery29.com, "How Brutal Cult Leader Tony Alamo Amassed A Fortune With Bedazzled Denim Jackets," 29 June 2018 For extra credit, buy a pumice stone, such as Waterworks Personal Care Pumice Stone ($8 at waterworks.com) and exfoliate your heels in the shower. Max Berlinger, The Seattle Times, "Guys, before you switch to sandals, check out your feet," 21 June 2018 For extra credit, buy a pumice stone and exfoliate your heels in the shower. Max Berlinger, New York Times, "Men, Are You Wearing Sandals This Summer? Read This First," 13 June 2018 The transformation is so sudden that gasses are trapped within the pumice and force their way out, leaving the rock lighter and full of holes. David Grossman, Popular Mechanics, "Hawaii's Erupting Volcano Is Making It Rain Green Gems (Updated)," 14 June 2018 The trail up is as wide as a road and composed of rubble, a mix of dacite and pumice, and becomes steep for a half-mile climb to the rim. Tom Stienstra, San Francisco Chronicle, "Cinder Cone’s mystery unveiled in Land of Smoke," 6 June 2018 Its ash and pumice form the soils in Irpinia, 30 miles away. Bloomberg.com, "Volcanic Wines Are Heating Up Around the Globe," 30 Mar. 2018 Its soils range from basalt pebbles and pumice to black ash. Bloomberg.com, "Volcanic Wines Are Heating Up Around the Globe," 30 Mar. 2018

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.

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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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Dictionary Entries near pumice

pumace

pumelo

pumex

pumice

pumiced sole

pumicer

pumice soap

Statistics for pumice

Last Updated

25 Nov 2018

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Time Traveler for pumice

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

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More Definitions for pumice

pumice

noun

English Language Learners Definition of pumice

: a gray stone that comes from volcanoes, is full of small holes, has a very light weight, and is used especially for smoothing and polishing things or for softening the skin

pumice

noun
pum·​ice | \ˈpə-məs \

Kids Definition of pumice

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

pumice

noun
pum·​ice | \ˈpəm-əs \

Medical Definition of pumice 

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

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More from Merriam-Webster on pumice

Spanish Central: Translation of pumice

Nglish: Translation of pumice for Spanish Speakers

Britannica.com: Encyclopedia article about pumice

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