noun \ˌlü-mə-ˈnes-ən(t)s\

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).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More