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The emission of visible light by certain living organisms, such as the firefly and various fish, marine invertebrates, fungi, and bacteria. Bioluminescence is caused by chemical reactions.

bi′o·lu′mi·nes′cent adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.bioluminescent - (of living organisms) emitting lightbioluminescent - (of living organisms) emitting light; "fireflies are bioluminescent"
organism, being - a living thing that has (or can develop) the ability to act or function independently
light - characterized by or emitting light; "a room that is light when the shutters are open"; "the inside of the house was airy and light"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
On Sunday night, bioluminescent waves were spotted along the East Coast Road in Chennai from Kovalam to Thiruvanmiyur beaches and people tweeted pictures and videos of the phenomenon, reported India Today.
THESE amazing images have captured glowing bioluminescent plankton on Gower.
Livingstone International School from Angeles City in Pampanga also represented the Philippine Robotics National Team and received Top 3 in Teamwork-Core Values for their Project Spirulina, which focuses on the cultivation of Spirulina, a bioluminescent bacteria and Kilo power for the production of energy in space.
The natural phenomenon occurs between April and May, when clusters of marine algae give off a bioluminescent glow that creates a stunning sea of fluorescent blue.
Technologies which could be featured in The OME include bioluminescent lighting, ventilation systems which sample, analyse and modify the environment for human health, walls and furniture grown from living cells and engineered living materials, and plumbing systems that use microbes to digest waste and produce power.
The persistent aquatic living sensors program, or PALS, will use snapping shrimp and bioluminescent plankton to detect manmade objects underwater.
A recent study has shown that some species of deep sea fish might, in fact, be endowed with color vision, and able to recognize other bioluminescent creatures that live in our ocean's Twilight Zones!
Unlike other vertebrates, they have several genes for the light-sensitive photopigment rhodopsin, which likely enables these fish to detect bioluminescent signals from light-emitting organs.
"It appears that deep-sea fish have developed this multiple rhodopsin-based vision several times independently of each other and that this is specifically used to detect bioluminescent signals.
Mr Williams also managed to capture photos of the rare glowing bioluminescent plankton in Anglesey waters while working on the show - the same images which went viral last summer.
The concept was tested on mice by inducing the production of bioluminescent proteins in their lungs.