Definition of photophore in English:

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Pronunciation: /ˈfōdəˌfôr/


A light-producing organ in certain fishes and other animals.
Example sentences
  • Eyelightfish have a blunt snout, a large upturned mouth, a deeply forked caudal fin, and a light-emitting organ, called a photophore, under each eye.
  • Deep sea fish have organs called photophores which create a center for the bioluminescent reactions.
  • Some, like fireflies, produce light in special organs called photophores.


Late 19th century: from Greek phōtophoros 'light-bearing'.

For editors and proofreaders

Syllabification: pho·to·phore

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