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… … The Collaborative International Dictionary of English
murexan — mu·rex·an … English syllables
murexan — myu̇ˈrekˌsan noun ( s) Etymology: murexide + an : uramil … Useful english dictionary
dialuramide — 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},… … The Collaborative International Dictionary of English
purpuric acid — 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},… … The Collaborative International Dictionary of English
uramil — 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},… … The Collaborative International Dictionary of English
Purpuric — Pur*pu ric, a. [Cf. F. purpurique.] [1913 Webster] 1. (Med.) Of or pertaining to purpura. Dunglison. [1913 Webster] 2. (Chem.) Pertaining to or designating, a nitrogenous acid contained in uric acid. It is not known in the pure state, but forms… … The Collaborative International Dictionary of English
Uramil — U*ram il, n. (Chem.) Murexan. [1913 Webster] … The Collaborative International Dictionary of English
Murexid — (Purpursaures Ammoniak) C16H8N6O12 = C16H4N5O11 + NH4O, ein rother krystallinischer Körper, welcher sich bet der Einwirkung von Salpetersäure auf Harnsäure bildet. Am einfachsten stellt man es dar, wenn man gleiche Theile Uramil u.… … Pierer's Universal-Lexikon
Thionursäure — Thionursäure, C8H5N3S2O12, zweibasige Säure, entsteht beim Zusammenbringen von Alloxan mit schwefeliger Säure u. Ammoniak, ist weiß, krystallinisch, luftbeständig, leicht löslich in Wasser, schmeckt sauer, röthet Lackmus, wird durch Sieden der… … Pierer's Universal-Lexikon