Hate anise as, strangely, it produces a numbing effect (11)

I believe the answer is:

anaesthesia

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'it produces a numbing effect' is the definition.
The definition suggests a singular noun which matches the answer.

'hate anise as strangely' is the wordplay.
'strangely' indicates anagramming the letters.
'hate'+'anise'+'as'='hateaniseas'
'hateaniseas' is an anagram of 'ANAESTHESIA'.

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(Other definitions for anaesthesia that I've seen before include "Drug-induced insensitivity to pain" , "Loss of feeling through administered drugs" , "Insensitivity to pain induced by drugs" .)

I've seen this clue in The Irish Times.

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