define thiamine
Thiamine, thiamin or vitamin B1 (/ËÎ¸aÉª.ÉmÉ¨n/ THY-É-min), named as the thio-vitamine (sulfur-containing vitamin) is a vitamin of the B complex. First named aneurin for the detrimental neurological effects if not present in the diet, it was eventually assigned the generic descriptor name vitamin B 1.