Crossword Genius

Popular fellow seldom having day out of visibility? (8)

Ross

I believe the answer is:

infrared

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'visibility?' is the definition.
The definition and answer can be both human attributes as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'popular fellow seldom having day' is the wordplay.
'popular' becomes 'in' ('in' can mean trendy).
'fellow' becomes 'f' (abbreviation - of a society etc.).
'seldom' becomes 'rare' (I've seen this in another clue).
'having' is a charade indicator (letters next to each other).
'day' becomes 'd' (abbreviation for day).
'in'+'f'+'rare'+'d'='INFRARED'

'out of' acts as a link.

Can you help me to learn more?

(Other definitions for infrared that I've seen before include "Radiation from heated objects" , "(Of radiation) with a longer wavelength than light" , "This ray enables one to see in the dark" , "Sort of light" , "Hot objects radiate this" .)

I've seen this clue in The Independent.
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