fluorescent

Etymology

adj

1. Of or relating to fluorescence.
2. Exhibiting or produced by fluorescence.
   The fluorescent plants shimmered in the darkness.
3. Emitting visible light as a result of the excitation of phosphors by ultraviolet photons produced by the passage of an electrical current through an inert gas infused with mercury.
   The quality of fluorescent lighting technology has improved dramatically in recent years.
4. Glowing as if with fluorescence; vivid
   Her shirt was fluorescent orange.

noun

1. A fluorescent light.
   The fluorescents hummed day and night.