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also thiamine, alternative name for vitamin B1, 1937, coined by U.S. chemist Dr. Robert R. Williams (1886-1965) from thio-, indicating the presence of sulfur, comb. form of Greek theion "sulfur," + amine, indicating the amino group. Or the second element might be from vitamin.
thiamine thi·a·mine (thī'ə-mĭn, -mēn') or thi·a·min (-mĭn)
A vitamin of the vitamin B complex, found in meat, yeast, and the bran coat of grains, and necessary for carbohydrate metabolism and normal neural activity. Also called vitamin B1.
A water-soluble pyrimidine derivative belonging to the vitamin B complex that is important in carbohydrate metabolism and normal activity of the nervous system. It is found in pork, organ meats, whole grain cereals, legumes, and nuts. Deficiency of thiamine in the diet results in beriberi. Also called vitamin B1. Chemical formula: C12H17ClN4OS.