luciferin: Meaning and Definition of

lu•cif•er•in

Pronunciation: (l-sif'ur-in), [key]
— n. Biochem.
  1. a pigment occurring in luminescent organisms, as fireflies, that emits light when undergoing oxidation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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