Air movement in Stansted dynamic (4)

I believe the answer is:

eddy

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'air movement' is the definition.
'eddy' can be an answer for 'movement' (eddy is a kind of movement). I am not certain of the 'air' bit.

'in stansted dynamic' is the wordplay.
'in' indicates the answer is hidden within the clue.
'EDDY' is hidden within 'stansted dynamic'.

Can you help me to learn more?

(Other definitions for eddy that I've seen before include "dangerous bit of water" , "Water circulating" , "Current running against the main stream, causes small whirlpool" , "Whirling current" , "(Of fluid) circle round" .)

I've seen this clue in The Sun.

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