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Definition of Pumice stone
1. Noun. A light glass formed on the surface of some lavas; used as an abrasive.
Definition of Pumice stone
1. Noun. A piece of pumice; also used as a collective noun. ¹
¹ Source: wiktionary.com
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1. Noun. A light glass formed on the surface of some lavas; used as an abrasive.
1. Noun. A piece of pumice; also used as a collective noun. ¹
¹ Source: wiktionary.com