Contaminates, water or air (8)

I believe the answer is:

pollutes

'contaminates water or air' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for pollutes that I've seen before include "Contaminates, befouls" , "Makes dirty, contaminates" , "Contaminates water or air" , "Contaminates, fouls" , "Contaminates, corrupts" .)

I've seen this clue in the Irish Times (Simplex) and The Irish Times.

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