fluorescent
adjective(fluo-res-cent)
having or relating to fluorescence
fluorescent
adjective(fluo-res-cent)
bright and glowing as a result of fluorescence; broadly : very bright in color
fluorescent
noun(fluo-res-cent)
a usually tubular electric lamp having a coating of fluorescent material on its inner surface and containing mercury vapor whose bombardment by electrons from the cathode provides ultraviolet light which causes the material to emit visible light