bioluminescence
/ˌbaɪoʊˌluməˈnɛsəns/
noun
- The production of light by a living organism, such as a firefly or certain deep-sea fish.
- Deep-sea creatures rely on bioluminescence to hunt or hide in the dark ocean.
- Scientists study bioluminescence to develop new medical imaging techniques.
- Fireflies use bioluminescence to attract mates on summer nights.