Uniformed host in troubled time (6,9)

I believe the answer is:

fourth dimension

'time' is the definition.
('fourth dimension' can be a synonym of 'time')

'uniformed host in troubled' is the wordplay.
'troubled' indicates anagramming the letters.
'uniformed'+'host'+'in'='uniformedhostin'
'uniformedhostin' anagrammed gives 'FOURTH DIMENSION'.

(Other definitions for fourth dimension that I've seen before include "It may be described as time" , "feature of spacetime" .)

I've seen this clue in The Telegraph.

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