Definitions for gaslightˈgæsˌlaɪt
Random House Webster's College Dictionary
light produced by the combustion of illuminating gas.
a gas burner or gas jet for producing this kind of light.
Ref: gaslit (def. 2). 2
Origin of gaslight:
light yielded by the combustion of illuminating gas
The light produced by burning piped illuminating gas.
A lamp which operates by burning gas.
To manipulate someone psychologically such that they question their own sanity.
the light yielded by the combustion of illuminating gas
a gas jet or burner