Main Entry: lu·mi·nes·cence

Pronunciation: \-ˈne-s^ən(t)s\

Function: noun

Etymology: International Scientific Vocabulary lumin- + -escence

Date: 1889

: the low-temperature emission of light (as by a chemical or physiological process); also : light produced by luminescence

— lu·mi·nes·cent \-s^ənt\ adjective