pumice stone pumice soap • pump-back method · · · Info · Definitions · Synonyms · Characters · · pumice stone · · Text Common · · Latin · · Scripts 12 · · Length Definitions · · · (noun) a light glass formed on the surface of some lavas; used as an abrasive. Synonyms: pumice. · · Noun Definition 1 Synonyms · · · pumice · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075