Crossword Genius

Cold air turning warm (7)

Ross

I believe the answer is:

cordial

'warm' is the definition.
(similar in meaning)

'cold air turning' is the wordplay.
'turning' is an anagram indicator.
'cold'+'air'='coldair'
'coldair' is an anagram of 'CORDIAL'.

(Other definitions for cordial that I've seen before include "Hearty - drink" , "Warm and friendly; drink" , "Pleasant - soft drink" , "drink with a fruity flavour" , "Friendly; fruit drink" .)

I've seen this clue in The Telegraph.
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