Record space in the white bit (7)

I believe the answer is:

albumen

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'white bit' is the definition.
'albumen' can be an answer for 'white' (I've seen this before). I am unsure of the 'bit' bit.

'record space' is the wordplay.
'record' becomes 'album' (I've seen this before).
'space' becomes 'en'.
'album'+'en'='ALBUMEN'

'in the' acts as a link.

Can you help me to learn more?

(Other definitions for albumen that I've seen before include "The white part of an egg" , "White poacher" , "Egg-white" , "Egg's white" .)

I've seen this clue in The Mirror.

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