D defs.my
Entry 1 sense Webster, 1913

vitamin B complex

· IPA
01 n. a mixture of water-soluble vitamins originally thought to be a single vitamin but now known to be a mixture of several compounds with vitam…
  1. 1.
    a mixture of water-soluble vitamins originally thought to be a single vitamin but now known to be a mixture of several compounds with vitaminic activity.