Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pumice_stone

1 sense of pumice stone

Sense 1
pumice, pumice stone -- (a light glass formed on the surface of some lavas; used as an abrasive)
       => rock, stone -- (material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries")