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
, ËŒpÉ™- \
adjective
, ËŒpÉ™- \
adjective
Examples of pumice in a Sentence
Recent Examples on the Web
The hot lava, full of gas bubbles, cools in the ocean water and produces pumice, which floats to the surface above the eruption. — Author: Katie Mettler, Anchorage Daily News, "There’s a giant volcanic rock ‘raft’ floating in the Pacific Ocean," 27 Aug. 2019 The hot lava, full of gas bubbles, cools in the ocean water and produces pumice, which floats to the surface above the eruption. — Katie Mettler, Washington Post, "There’s a giant volcanic rock ‘raft’ floating in the ocean. It might actually help boost habitats.," 26 Aug. 2019 The tropical hardwood trees likely died after being engulfed by the searing hot, gale-force winds containing the volcanic gases, ash, and pumice that would have swept outward after the eruption. — Katherine Kornei, Science | AAAS, "‘Mystery’ volcano that cooled the ancient world traced to El Salvador," 16 Aug. 2019 Venetsanos Winery Santorini, Greece Carved out of pumice on the caldera cliff edge in Santorini, the Venetsanos Winery is planted above the Greek port of Athinios. — Adrienne Jordan, National Geographic, "Here are 9 volcanic vineyards for wine tasting with a view," 7 May 2019 Back in ancient Egypt, some 4,000 years ago, people concocted whitening paste made of ground pumice stone and wine vinegar. — Rachel Lubitz, refinery29.com, "How To Whiten Your Teeth — Whether Your Budget Is $5 Or $500," 5 July 2019 It is estimated that the eruption of Vesuvius released 100,000 times the thermal energy of the atomic bombs dropped on Hiroshima and Nagasaki in 1945, ejecting many tons of molten rock, pumice, and hot ash over the course of two days. — Jennifer Ouellette, Ars Technica, "Extreme heat of Vesuvius eruption vaporized body fluids, exploded skulls," 9 Oct. 2018 Keep magic erasers and pumice for tile and hard-surface areas. — Debbie Carlson, chicagotribune.com, "5 pro tips for speeding up spring cleaning," 20 Mar. 2018 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. 2018These 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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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
See the full definition for pumice in the English Language Learners Dictionary
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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