Medical Dictionary
luminescence
noun lu·mi·nes·cence \ˌlü-mə-ˈnes-ən(t)s\
Medical Definition of LUMINESCENCE
: 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
Seen & Heard
What made you want to look up luminescence? Please tell us where you read or heard it (including the quote, if possible).