Meaning of vitamin K

vitamin K1

Pronunciation: [key]
  1. a yellowish, oily, viscous liquid, CHO, occurring in leafy vegetables, rice, bran, hog liver, etc., or obtained esp. from alfalfa or putrefied sardine meat, or synthesized, that promotes blood clotting by increasing the prothrombin content of the blood. Also called

vitamin K2

Pronunciation: [key]
  1. a light-yellow, crystalline solid, CHO, having properties similar to those of vitamin K.

vitamin K3

Pronunciation: [key]
  1. menadione.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.