Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun vitamin_b12

1 sense of vitamin b12

Sense 1
vitamin B12, cobalamin, cyanocobalamin, antipernicious anemia factor -- (a B vitamin that is used to treat pernicious anemia)
       => B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B -- (originally thought to be a single vitamin but now separated into several B vitamins)