fluorochrome vs dye

fluorochrome and dye both are nouns.

Word	Noun	Adjective	Verb	Adverb
fluorochrome	Yes	No	No	No
dye	Yes	No	Yes	No

As nouns, dye is a hypernym of fluorochrome; that is, dye is a word with a broader meaning than fluorochrome:

fluorochrome: any of various fluorescent substances used in fluorescence microscopy to stain specimens
dye: a usually soluble substance for staining or coloring e.g. fabrics or hair

Other hypernyms of fluorochrome include dyestuff.

fluorochrome (noun)	dye (noun)
any of various fluorescent substances used in fluorescence microscopy to stain specimens	a usually soluble substance for staining or coloring e.g. fabrics or hair

fluorochrome (verb)	dye (verb)
	color with dye
	color for microscopic study