vitamin b1

from WordNet (r) 3.0 (2006)

vitamin B1
    n 1: a B vitamin that prevents beriberi; maintains appetite and
         growth [syn: {vitamin B1}, {thiamine}, {thiamin},
         {aneurin}, {antiberiberi factor}]

from The Collaborative International Dictionary of English v.0.48

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.
        [WordNet 1.5]