vitamin K

(redirected from Vitamin K Deficiency)
Also found in: Dictionary, Thesaurus, Medical, Acronyms.
Related to Vitamin K Deficiency: Vitamin D deficiency

vitamin K

[′vīd·ə·mən ¦kā]
(biochemistry)
Any of three yellowish oils which are fat-soluble, nonsteroid, and nonsaponifiable; it is essential for formation of prothrombin. Also known as antihemorrhagic vitamin; prothrombin factor.