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rottenstone

[ rot-n-stohn ]
/ ˈrɒt nˌstoʊn /
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noun
a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals.
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Origin of rottenstone

First recorded in 1670–80; rotten + stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use rottenstone in a sentence

British Dictionary definitions for rottenstone

rottenstone
/ (ˈrɒtənˌstəʊn) /

noun
a much-weathered limestone, rich in silica: used in powdered form for polishing metal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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