vitamin K3
vitamin K3 vitamin K3 n. menadione, ({C11H8O2}) being chemically 2-methyl-1,4,-naphthoquinone. Having no side chain in the 3 position, it cannot exert all functions of a true K vitamin and the designation as vitamin K3 has been discouraged --[MI11]

Syn: vitaminK2(0); menaphthone. [WordNet 1.5]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • vitamin K3 — kā thrē n MENADIONE * * * menadione …   Medical dictionary

  • Vitamin k3 — Strukturformel Allgemeines Freiname Menadion Andere Namen 2 Methyl 1,4 naphtho …   Deutsch Wikipedia

  • vitamin K3 — noun a form of vitamin K • Syn: ↑menadione • Hypernyms: ↑vitamin K, ↑naphthoquinone, ↑antihemorrhagic factor * * * noun see vitamin K 2a * * * menadione …   Useful english dictionary

  • vitamin K3 — menadione. * * * …   Universalium

  • vitamin K3 — /vaɪtəmən keɪ ˈθri/ (say vuytuhmuhn kay three) noun → menadione …   Australian English dictionary

  • 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 K2 — vitamin K2, vitamins K2 vitamins K2 . one of the two K vitamins, actually a mixture of homologous fat soluble substituted naphthoquinones (called {menaquinones}), ({C11H7O2[C5H8]nH}), where n may be 1 to 13 but is mostly 7 to 9. The term is also… …   The Collaborative International Dictionary of English

  • 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 — 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

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