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Noun: vitamin  vI-tu-min [N. Amer], vi-tu-min [Brit]
  1. Any of a group of organic substances essential in small quantities to normal metabolism
    "Vitamin C is known for its role in supporting the immune system"

Derived forms: vitamins

Type of: aliment [archaic], nourishment, nutriment, nutrition, sustenance, victuals, vittles [archaic]

Part of: multivitamin, multivitamin pill

Encyclopedia: Vitamin