fluorescent vs fluorescent fixture

fluorescent and fluorescent fixture both are nouns.

Word	Noun	Adjective	Verb	Adverb
fluorescent	Yes	Yes	No	No
fluorescent fixture	Yes	No	No	No

As nouns, fluorescent and fluorescent fixture are synonyms defined as:

fluorescent and fluorescent fixture: a lighting fixture that uses a fluorescent lamp

fluorescent (noun)	fluorescent fixture (noun)
a lighting fixture that uses a fluorescent lamp	a lighting fixture that uses a fluorescent lamp

fluorescent (adjective)	fluorescent fixture (adjective)
brilliantly colored and apparently giving off light
emitting light during exposure to radiation from an external source