Crossword Genius

Conclusive proof of wild cat's diet (4,4)

Ross

I believe the answer is:

acid test

'conclusive proof' is the definition.
(I've seen this before)

'wild cat's diet' is the wordplay.
'wild' indicates an anagram.
'cats'+'diet'='catsdiet'
'catsdiet' anagrammed gives 'ACID TEST'.

'of' acts as a link.

(Other definitions for acid test that I've seen before include "crucial experiment" , "Cat's diet (anag.)" , "Validity confirmed" , "Rigorous or crucial appraisal" , "Conclusive proof" .)

I've seen this clue in the Sydney Morning Herald.
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