The Collaborative International Dictionary
vitamin B1
vitamin B1 \vitamin B1\ n. a B vitamin (C12H17N4OS)Cl that prevents beriberi and maintains appetite and growth. Same as thiamine.
Syn: thiamin, aneurin, antiberiberi factor.
Wiktionary
vitamin b1
n. thiamine
WordNet
vitamin B1
n. a B vitamin that prevents beriberi; maintains appetite and growth [syn: thiamine, thiamin, aneurin, antiberiberi factor]