bi·o·lu·mi·nes·cence (bī'ō-lōō'mə-něs'əns) n. Emission of visible light by living organisms such as the firefly and various fish, fungi, and bacteria. bi'o·lu'mi·nes'cent adj.
Main Entry: bio·lu·mi·nes·cence Pronunciation: "bI-O-"lü-m&-'nes-&n(t)s Function: noun : the emission oflight from living organisms; also: the light so produced —bio·lu·mi·nes·cent/-&nt/adjective