Terribly unsettled era in places with rapid revolutions! (12)

I believe the answer is:

launderettes

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'in places with rapid revolutions' is the definition.
I can't tell whether this definition defines the answer.

'terribly unsettled era' is the wordplay.
'terribly' indicates an anagram.
'unsettled'+'era'='unsettledera'
'unsettledera' with letters rearranged gives 'LAUNDERETTES'.

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I've seen this clue in The Times.

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