Fluorescent is a term that describes a type of light emission. Synonyms for the word "flourescent" include glowing, radiant, incandescent, luminescent, phosphorescent, and bright. Each of these words conveys the idea of light emitting from an object or source. Radiant and luminescent suggest a gentle, warm glow, while incandescent implies a bright, white light. Phosphorescent indicates a longer-lasting glow, while bright suggests a vibrant, eye-catching shine. All of these words offer a variety of options to describe the light emission and can be used interchangeably to add variety to your writing.