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- Dictionarypumice/ˈpʌmɪs/
noun
- 1. a very light and porous volcanic rock formed when a gas-rich froth of glassy lava solidifies rapidly.
verb
- 1. rub with pumice to smooth or clean.
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Pumice ( / ˈpʌmɪs / ), called pumicite in its powdered or dust form, is a volcanic rock that consists of extremely vesicular rough-textured volcanic glass, which may or may not contain crystals. It is typically light-colored.
Pumice is a type of grey, light stone that is used for rubbing things to make them smooth. It is produced in volcanic eruptions and has various applications in geology, biology and industry.
Pumice is a volcanic glass full of cavities and very low in density that is used especially in powder form for smoothing and polishing. Learn more about its etymology, examples, and related words from Merriam-Webster.
Aug 16, 2023 · Pumice is a volcanic rock that consists of highly vesicular rough textural rock glass. It generally light colored. It is created when gas-saturated liquid magma erupts like a carbonated drink and cools so rapidly that the resulting foam solidifies into a glass full of gas bubbles.
Pumice is a light-colored, extremely porous igneous rock that forms during explosive volcanic eruptions. It is used for various purposes and can float on water due to its high porosity and gas bubbles. Learn how pumice forms, where it occurs, and see pictures of pumice from different eruptions.
Jun 4, 2024 · Pumice, a very porous, frothlike volcanic glass that has long been used as an abrasive in cleaning, polishing, and scouring compounds. It is also employed as a lightweight aggregate in precast masonry units, poured concrete, insulation and acoustic tile, and plaster. Pumice is pyroclastic igneous.
Pumice definition: a porous or spongy form of volcanic glass, used as an abrasive.. See examples of PUMICE used in a sentence.
