American English pronunciation
How to pronounce pumice
IPA transcription: ['pʌməs]
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['pʌməs]
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Noun
-
a light glass formed on the surface of some lavas; used as an abrasive
Verb
-
rub with pumice, in order to clean or to smoothen
Usage examples
- Examples of extrusive rocks include basalt, rhyolite, andesite, obsidian and pumice.
- Most pumice contains tubular microvesicles that can impart a silky or fibrous fabric.