noctilucine.
A nitrogenous substance in fireflies, glowworms and marine animals, once believed to be responsible for their luminescence.
Meaning & usage
A nitrogenous substance in fireflies, glowworms and marine animals, once believed to be responsible for their luminescence.
Where this word comes from
From Latin noctilūca (“firefly”) + -ine. Term coined by British scientist Thomas Lamb Phipson (1833–1908). It appeared first in his article On noctilucine, the phosphorescent principle of luminous animals, published in The chemical new, vol. 32, no. 832, on November 5, 1875.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.