rottenstone

See also: rotten stone

English edit

Etymology edit

Noun edit

rottenstone (countable and uncountable, plural rottenstones)

(geology) A soft, friable limestone, used in polishes.

Verb edit

rottenstone (third-person singular simple present rottenstones, present participle rottenstoning, simple past and past participle rottenstoned)

(transitive) To polish with rottenstone.