rottenstone
[ rot-n-stohn ]
/ ˈrɒt nˌstoʊn /
noun
a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals.
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Words nearby rottenstone
rotten, rotten apple, rotten borough, rotten egg, rotten ice, rottenstone, rotten to the core, rotter, Rotterdam, Rottweiler, rotund
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for rottenstone
Tripoli (and rottenstone) are used in polishing powders and scouring soaps as well as for filter blocks and many other purposes.
The Economic Aspect of Geology|C. K. LeithThe unpainted surfaces will be kept clean and bright with rottenstone and oil or "Putz-pomade."
The Gunner's Examiner|Harold E. ClokePolishing is effected by wooden wheels fed with wet pumice-powder and rottenstone and by brushes fed with moistened putty-powder.
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
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