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pumiceousenUK
pum·ice P0433100 (pŭm′ĭs)n. A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive.tr.v. pum·iced, pum·ic·ing, pum·ic·es To clean, polish, or smooth with pumice.
[Middle English, from Anglo-Norman pomis, from Late Latin pōmex, from Latin pūmex, alteration of spūma, foam.]
pu·mi′ceous (pyo͞o-mĭsh′əs, pə-) adj.pum′ic·er n.
pumiceousenUK
pumiceous[pyü′mish·əs] (geology) Pertaining to the texture of a pyroclastic rock, such as pumice, characterized by numerous small cavities presenting a spongy, frothy appearance. MedicalSeepumice |