A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone.
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See Roc.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
To subject (a body) to the action of something moving over its surface with pressure and friction, especially to the action of something moving back…
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
Concreted earthy or mineral matter; also, any particular mass of such matter; as, a house built of stone; the boy threw a stone; pebbles are rounded…
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
Same as Pumice.
Open English WordNet places these words in at least one shared synset. They share a lexicalised sense, but context, register and collocation should still be checked before substitution.
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
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