rottenstone rottenness • rotter · · · Info · Definitions · Synonyms · Characters · · rottenstone · · Text Latin · · Script 11 · · Length Definitions · · · (noun) a weathered and decomposed siliceous limestone; in powdered form it is used in polishing. Synonyms: tripoli. · · Noun Definition 1 Synonyms · · · tripoli · · Synonym 1 Characters · · e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074