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Medical Term:


Pronunciation: 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.
  2. Any light produced by a living organism.

Synonym(s): cold light1

[bio- + L. lumen (-inis), light]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.