noun Biochemistry.

a pigment occurring in luminescent organisms, as fireflies, that emits light when undergoing oxidation.

Origin of luciferin

1885–90; < Latin lūcifer (see Lucifer) + -in2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for luciferin

Historical Examples of luciferin

British Dictionary definitions for luciferin



biochem a substance occurring in bioluminescent organisms, such as glow-worms and fireflies. It undergoes an enzyme-catalysed oxidation and emits light on decaying to its ground state

Word Origin for luciferin

C20: from Latin lucifer (literally: light-bearer) + -in
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