Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of noctilucin is as below...

Noctilucin :: Noctilucin (n.) A fatlike substance in certain marine animals, to which they owe their phosphorescent properties..

Noctilucine :: Noctilucine (a.) Of or pertaining to Noctiluca.

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