Twisting arm, student changed to another form (10)

I believe the answer is:

transmuted

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'changed to another form' is the definition.
I can't judge whether this defines the answer.

'twisting arm student' is the wordplay.
'twisting' indicates an anagram.
'arm'+'student'='armstudent'
'armstudent' with letters rearranged gives 'TRANSMUTED'.

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I've seen this clue in The Telegraph.

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