fluorescence vs visible light

fluorescence and visible light both are nouns.

Word	Noun	Adjective	Verb	Adverb
fluorescence	Yes	No	No	No
visible light	Yes	No	No	No

As nouns, visible light is a hypernym of fluorescence; that is, visible light is a word with a broader meaning than fluorescence:

fluorescence: light emitted during absorption of radiation of some other (invisible) wavelength
visible light: (physics) electromagnetic radiation that can produce a visual sensation

Other hypernyms of fluorescence include light, visible radiation.

fluorescence (noun)	visible light (noun)
light emitted during absorption of radiation of some other (invisible) wavelength	(physics) electromagnetic radiation that can produce a visual sensation