From ZooTerms (Dictionary of Invertebrate Zoology)
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bioluminescence (noun; Greek bios, life; Latin luminescere, to grow light): The production of light by living organisms, as occurs in the insect orders of Collembola, Homoptera, Diptera and Coleoptera, all ctenophores, some cephalopods, a large number of polychaetes, and certain diplopods

See also: biophotogenesis.