Crossword Genius

Abrasive substance (5)

Ross

I believe the answer is:

emery

'abrasive substance' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for emery that I've seen before include "Abrasive material" , "Abrasive powder" , "Hard black-grey mineral used in grinding and polishing" , "Black abrasive" , "old comedian" .)

I've seen this clue in the L.A. Times Magazine, The Telegraph, the King Feature Syndicate, the Sydney Morning Herald, the Newsday.com and the Thinks.com.
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