Having removed embarrassing smell, scientist brought back stink (4)
I believe the answer is:
niff
'stink' is the definition.
(I know that niff is a type of stink)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for niff that I've seen before include "a stink" , "Hum" .)
I've seen this clue in The Guardian.
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