Crossword Genius

Gaslight and lean on bent politician (4,4)

Ross

I believe the answer is:

neon lamp

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'gaslight' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

'lean on bent politician' is the wordplay.
'bent' indicates anagramming the letters.
'politician' becomes 'MP' (Member of Parliament).
'lean'+'on'='leanon'
'leanon' with letters rearranged gives 'neonla'.
'neonla'+'mp'='NEON LAMP'

'and' is the link.

Can you help me to learn more?

(Another definition for neon lamp that I've seen is " Light".)

I've seen this clue in The Sunday Times and The Times.
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