bioluminescence

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bioluminescence

 [bi″o-loo″mĭ-nes´ens]
the production of light by chemicals (as in fireflies) occurring in living cells.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

bi·o·lu·mi·nes·cence

(bī'ō-lū'min-es'ents),
1. Light produced by certain organisms from the oxidation of luciferins through the action of luciferases and with negligible production of heat, chemical energy being converted directly into light energy. Synonym(s): cold light (1)
2. Any light produced by a living organism.
[bio- + L. lumen (-inis), light]
Farlex Partner Medical Dictionary © Farlex 2012

bioluminescence

The enzymatic generation of light by living organisms.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

bioluminescence

the production of light of various wavelengths by living organisms (often wrongly termed phosphorescence). The phenomenon is found in such divergent groups as bacteria, fungi, fireflies (COLEOPTERA) and various marine organisms. See LUMINESCENCE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

bioluminescence 

Emission of light by living organisms, e.g. firefly, certain fungi, etc. See luminescence.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann