pumice Pumice is a kind of grey stone from a volcano and is very light in weight. It can be rubbed over surfaces, especially your skin, that you want to clean or make smoother. n-uncount
pumice stone ( pumice stones plural )
1 n-count A pumice stone is a piece of pumice that you rub over your skin in order to clean the skin or make it smoother.
2 n-uncount Pumice stone is the same as pumice.
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