Definition of photophore
: a light-emitting organ; especially : one of the luminous spots on various marine mostly deep-sea fishes
Recent Examples of photophore from the Web
That's why bioluminescent creatures, including krill, squid, lanternfish, and dragonfish, create their own light chemically through organs called photophores.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photophore'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of photophore
International Scientific Vocabulary
First Known Use: 1898See Words from the same year
Learn More about photophore
Britannica.com: Encyclopedia article about photophore
Seen and Heard
What made you want to look up photophore? Please tell us where you read or heard it (including the quote, if possible).