Definition of vitamin K in English:

vitamin K

Line breaks: vita|min K

noun

[mass noun]
Any of a group of vitamins found mainly in green leaves and essential for the blood-clotting process. They include phylloquinone ( vitamin K1) and menaquinone ( vitamin K2).
More example sentences
  • It interferes with the body's natural chemical process of clotting, by targeting an essential substance called vitamin K.
  • Selecting products with selected other nutrients such as vitamin D and vitamin K was discussed.
  • One such product is vitamin K, a substance essential for blood clotting.

Definition of vitamin K in:

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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal