rottenstone

See also: rotten stone

English

Etymology

Noun

rottenstone (countable and uncountable, plural rottenstones)

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

Verb

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

(transitive) To polish with rottenstone.