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murexan |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Murexan \Mu*rex"an\, n. [From {Murexide}.] (Chem.) A complex nitrogenous substance obtained from murexide, alloxantin, and other ureids, as a white, or yellowish, crystalline which turns red on exposure to the air; -- called also {uramil}, {dialuramide}, and formerly {purpuric acid}.