WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / P / pumice stone pumice stone noun 12 letters Scrabble 17 WWF 22 Definitions noun a light glass formed on the surface of some lavas; used as an abrasive pumice Look “pumice stone” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →