vitamin K
vitamin K vitamin K n. (1929) [from G. Koagulationsvitamin.] either of two fat-soluble vitamins (vitamin K1 or vitamin K2) that help clot blood by participating in the fromation of prothrombin.

Syn: naphthoquinone. [WordNet 1.5 +PJC]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Vitamin K — has also been used as a slang term for ketamine, an unrelated anaesthetic. Vitamin K1 (phylloquinone). Both forms of the vitamin contain a functional naphthoquinone ring and an aliphatic side chain. Phylloquinone has a phytyl side chain …   Wikipedia

  • vitamin K — n. a fat soluble vitamin, synthesized constantly by intestinal bacteria in mammals and occurring in certain green vegetables, fish meal, etc., that promotes blood clotting and is required for the synthesis of prothrombin by the liver: the two… …   Universalium

  • vitamin K — n. a fat soluble vitamin, synthesized constantly by intestinal bacteria in mammals and occurring in certain green vegetables, fish meal, etc., that promotes blood clotting and is required for the synthesis of prothrombin by the liver: the two… …   English World dictionary

  • vitamin K — ► NOUN ▪ any of a group of compounds found mainly in green leaves and essential for the blood clotting process, including phylloquinone (vitamin K1) and menaquinone (vitamin K2) …   English terms dictionary

  • Vitamin K — ⇒ antihämorrhagisches Vitamin …   Deutsch wörterbuch der biologie

  • Vitamin K — Strukturformel der wichtigsten K Vitamine: Vitamin K1 = Phyllochinon. Vitamin K2 = Menachinon n. Vitamin K3 = Menadion K Vitamine (K für Koagulation) gehören neben den Vitaminen A, D und …   Deutsch Wikipedia

  • Vitamin K — One of two naturally occurring fat soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of blood because of an essential role in the production of prothrombin (a clotting factor). The term vitamin A may also refer to a synthetic… …   Medical dictionary

  • vitamin K — filochinonas statusas T sritis chemija apibrėžtis 2 metil 1,4 naftochinono darinys su izoprenoidine grandine trečiojoje padėtyje. atitikmenys: angl. phylloquinone; vitamin K rus. витамин K; филлохинон ryšiai: sinonimas – vitaminas K …   Chemijos terminų aiškinamasis žodynas

  • vitamin K — ftiokolis statusas T sritis chemija formulė CH₃C₁₀H₄(=O)₂OH atitikmenys: angl. phthiocol; vitamin K rus. витамин К; фтиокол ryšiai: sinonimas – 2 hidroksi 3 metil 1,4 naftalendionas sinonimas – vitaminas K …   Chemijos terminų aiškinamasis žodynas

  • vitamin\ k — Random healthiness found in food items when you don t know exactly what else they contain that is good for you. Eat these cashews, they re full of vitamin k …   Dictionary of american slang

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