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We found 12 dictionaries with English definitions that include the word xanthin: Click on the first link on a line below to go directly to a page where "xanthin" is defined. General (9 matching dictionaries) xanthin: Collins English Dictionary [home, info] xanthin: Wordnik [home, info] xanthin: Wiktionary [home, info] xanthin: Infoplease Dictionary [home, info] Xanthin, xanthin: Dictionary.com [home, info] Xanthin: Online Plain Text English Dictionary [home, info] Xanthin: AllWords.com Multi-Lingual Dictionary [home, info] xanthin: Free Dictionary [home, info] xanthin: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) Xanthin: Encyclopedia [home, info] Medicine (2 matching dictionaries) xanthin: online medical dictionary [home, info] Xanthin: Medical dictionary [home, info]

Quick definitions (xanthin) () A white microcrystalline nitrogenous compound, C5H4O2N4, present in muscle tissue, in the liver, spleen, pancreas, and other organs, and also in urine (in small quantities) and some urinary calculi, and in the juices of certain plants; -- so called because it leaves a yellow residue when evaporated to dryness with nitric acid. Xanthine is closely related to uric acid. (n.) A crystalline nitrogenous body closely related to both uric acid and hypoxanthin, present in muscle tissue, and occasionally found in the urine and in some urinary calculi. It is also present in guano. So called from the yellow color of certain of its salts (nitrates). (n.) A yellow insoluble coloring matter extracted from yellow flowers; specifically, the coloring matter of madder. (n.) One of the gaseous or volatile decomposition products of the xanthates, and probably identical with carbon disulphide. (This definition is from the 1913 Webster's Dictionary and may be outdated.)