A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive.(noun)
To clean, polish, or smooth with pumice.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "pumice" in a sentence
"The name pumice is derived from the Latin word pumex, meaning foam."
"For a similar style, try Old Navy's cropped cotton twill blazer in pumice."
"Lava Soap contains a fine grit of pumice, which is death on grease and grime, but tough on the skin."