- the production of light by living organisms, as by fireflies or many deep-water cephalopods
- such light
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.
bio- + luminescence
- On some figures, glow-in-the-dark accents replicate the bioluminescence of the creatures of Pandora.