noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   One of the constituents of vitamin B complex, found in meat, yeast and bran, that is necessary for the metabolism of carbohydrates. uncountable, usually
2. 2
   a B vitamin that prevents beriberi; maintains appetite and growth wordnet

Synonyms

All synonyms

vitamin b1vitamin b1aneurinantiberiberi factorthiamin

Etymology

From thio- + amine.

Related phrases

vitamin b complex

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.