n. The emission of light by a living organism (such as a firefly).
the GNU version of the Collaborative International Dictionary of English
n. a type of luminescence produced by biological or biochemical processes, such as a glowworm glow or the action of luciferase on luciferin. A well-known example is that of firefly luminescence. See also luciferin.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. luminescence produced by physiological processes (as in the firefly)
Word Usage
"Woody, a pioneer in bioluminescence research and one of the early researchers studying GFP, who was a new and especially kind faculty member."