Pumice - Definition
pumice
n 1: a light glass formed on the surface of some lavas; used as
an abrasive [syn: pumice, pumice stone]
v 1: rub with pumice, in order to clean or to smoothen
n 1: a light glass formed on the surface of some lavas; used as
an abrasive [syn: pumice, pumice stone]
v 1: rub with pumice, in order to clean or to smoothen