florescence / fluorescence / fluorescents are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
florescence: NA
fluorescence: (noun) light emitted during absorption of radiation of some other (invisible) wavelength.
fluorescents: (noun) a lighting fixture that uses a fluorescent lamp.
florescence: NA
fluorescence: NA
fluorescents: f·l·UH·r·EH·s·ah·n·t·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)