Main Entry: lu·mi·nes·cence

Pronunciation: \ˌlü-mə-ˈnes-^ən(t)s\

Function: noun

: the low-temperature emission of light produced especially by physiological processes (as in the firefly), by chemical action, by friction, or by electrical action ; also : light produced by luminescence

—lu·mi·nesce \-ˈnes\ intransitive verb, lu·mi·nesced; lu·mi·nesc·ing

—lu·mi·nes·cent \-^ənt\ adjective