vitamin K1
noun
a yellowish, oily, viscous liquid, C31H46O2, occurring in leafy vegetables, rice, bran, hog liver, etc., or obtained especially from alfalfa or putrefied sardine meat, or synthesized, that promotes blood clotting by increasing the prothrombin content of the blood.
Also called
phylloquinone,
phytonadione.
Origin of vitamin K1
First recorded in 1930–35
British Dictionary definitions for vitamin k1
Medical definitions for vitamin k1
vitamin K1
n.
A yellow viscous oil found in leafy green vegetables or made synthetically, used by the body to form prothrombin.
Scientific definitions for vitamin k1
vitamin K1
The major dietary form of vitamin K that is synthesized in plants and found primarily in green, leafy vegetables such as alfalfa and in vegetable oils. It can be made synthetically and is given orally to treat prothrombin deficiency that results from heparin and other anticoagulant drugs. Also called phylloquinone. Chemical formula: C31H46O2.