Crossword Genius

Polishing agent (5)

Ross

I believe the answer is:

emery

'polishing agent' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for emery that I've seen before include "Dick - - , late comedian" , "Rock used as abrasive" , "Hard, grey-black mineral used as 11 down" , "Hard grey-black mineral used as an abrasive" , "Abrasive powder" .)

I've seen this clue in the Penny Press.
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