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luciferin

[loo-sif-er-in] /luˈsɪf ər ɪn/
noun, Biochemistry.
1.
a pigment occurring in luminescent organisms, as fireflies, that emits light when undergoing oxidation.
Origin of luciferin
1885-1890
1885-90; < Latin lūcifer (see Lucifer) + -in2
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for luciferin

luciferin

/luːˈsɪfərɪn/
noun
1.
(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
C20: from Latin lucifer (literally: light-bearer) + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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