A bit dry when it gets turned over (7)

I believe the answer is:

section

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'a bit' is the definition.
(I know that bit can be written as section)

'dry when it gets turned over' is the wordplay.
'dry when' becomes 'sec' (similar in meaning. I am not sure about the 'when' bit.).
'gets turned' says the letters should be written backwards.
'over' becomes 'on' (physically on top of).
'it' written backwards gives 'ti'.
'sec'+'ti'+'on'='SECTION'

Can you help me to learn more?

(Other definitions for section that I've seen before include "Part, subdivision" , "branch" , "unit" , "Cut" , "surgical procedure" .)

I've seen this clue in the Evening Standard.

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