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Spokane, Washington  Est. May 19, 1883

Community Comment archive for July 19, 2012


A Word A Day -- luciferin

July 19, 2012 Word of the Day luciferin \loo-SIF-uh-rin\ DEFINITION noun : any of various organic substances in luminescent organisms (as fireflies) that upon oxidation produce a virtually heatless light EXAMPLES "Luciferins vary in chemical structure; the luciferin of luminescent bacteria, for example, is completely…

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