Rottenstone is a 11 letter English word. It's valid Words with friends word worth 13 points.
You can make 344 anagrams from letters in rottenstone (eennoorsttt).
First recorded in 1670-80; rotten + stone
Tripoli (and rottenstone) are used in polishing powders and scouring soaps as well as for filter blocks and many other purposes.
The unpainted surfaces will be kept clean and bright with rottenstone and oil or "Putz-pomade."
Polishing is effected by wooden wheels fed with wet pumice-powder and rottenstone and by brushes fed with moistened putty-powder.