'vitamin M' definitions:

Definition of 'vitamin M'

(from WordNet)
noun
A B vitamin that is essential for cell growth and reproduction [syn: vitamin Bc, vitamin M, folate, folic acid, folacin, pteroylglutamic acid, pteroylmonoglutamic acid]

Definition of 'vitamin M'

From: GCIDE
  • vitamin M \vitamin M\ n. same as vitamin Bc; folic acid. [WordNet 1.5]