pumiceous

Variant of pumice

pumice definition

pum·ice (pumis)

noun

an extremely porous, glassy, extrusive igneous rock typically light enough to float on water, used as an abrasive and in making soaps, polishes, etc.

Etymology: ME pomis < OFr < L pumex < IE base *(s)poimno-, foam

transitive verb pumiced -·iced, pumicing -·ic·ing

to clean, polish, etc. with pumice

Related Forms:

  • pumiceous pu·mi′·ceous (pyo̵̅o̅ mis̸həs) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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