ROTTENSTONE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A weathered and decomposed siliceous limestone; in powdered form it is used in polishing

Synonyms:

rottenstone; tripoli

Classified under:

Nouns denoting substances

Hypernyms ("rottenstone" is a kind of...):

limestone (a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals)

Credits