Vitamin-k
noun
1.
a yellowish, oily, viscous liquid, C 31 H 46 O 2 , 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.
noun
1.
a light-yellow, crystalline solid, C 41 H 56 O 2 , having properties similar to those of vitamin K 1 .
noun
1.
menadione.
noun, Pharmacology.
1.
a synthetic yellow crystalline powder, C 1 1 H 8 O 2 , insoluble in water, used as a vitamin K supplement.
noun
1.
another name for phylloquinone
noun
1.
another name for menaquinone
noun
1.
a former name for menadione
noun
1.
a yellow crystalline compound used in fungicides and as an additive to animal feeds. Formula: C11H8O2 Also vitamin K3
menadione men·a·di·one (měn’ə-dī’ōn’)
n.
A synthetic vitamin K derivative occurring as a yellow crystalline powder and used as a vitamin K supplement.
vitamin K1 n.
A yellow viscous oil found in leafy green vegetables or made synthetically, used by the body to form prothrombin.
vitamin K2 n.
Any of various yellowish crystalline compounds isolated from putrefied fish meal or from various intestinal bacteria and used to stop hemorrhaging. Also called menaquinone.
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