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vitamin K
noun
- any of the fat-soluble vitamins, including phylloquinone and the menaquinones, which are essential for the normal clotting of blood
vitamin K
- Any of a group of fat-soluble vitamins that are involved in the formation of prothrombin and other clotting factors in the liver and are essential for normal clotting of the blood. (The K is derived from the German word koagulation. ) Vitamin K is also involved in bone formation and repair. Two forms occur naturally: vitamin K 1 , which is synthesized by plants, and vitamin K 2 , which is mainly synthesized by intestinal bacteria. The other forms are synthetic substances with similar chemical structures.
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Example Sentences
At 96 percent water, cukes have no saturated fat or cholesterol, and are very high in vitamin K, vitamin B6 and iron.
From The Daily Beast
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