phytomenadione
US/ˌfaɪ.toʊˌmɛn.əˈdaɪˌoʊn/
phytomenadione noun: a yellow oily naphthoquinone C₃₁H₄₆O₂ that is obtained especially from alfalfa, cabbage, spinach, and other leafy green vegetables or made synthetically and that has a fast, potent, and prolonged biological effect. It is essential for the blood-clotting process, effective orally, and useful especially in treating hypoprothrombinemia induced by anticoagulant drugs (trademark Mephyton).

Noun
phytomenadione (uncountable)
- A yellow oily naphthoquinone C₃₁H₄₆O₂ that is obtained especially from alfalfa, cabbage, spinach, and other leafy green vegetables or made synthetically and that has a fast, potent, and prolonged biological effect. It is essential for the blood-clotting process, effective orally, and useful especially in treating hypoprothrombinemia induced by anticoagulant drugs (trademark Mephyton).
- Synonyms:
- phylloquinone, vitamin K1
Synonyms of phytomenadione
Forms of phytomenadione
| alternative form | phytonadione |
|---|
Origin of phytomenadione
From phyt(ene) + -o- + menadione.
Questions about phytomenadione
- What does phytomenadione mean?
- Phytomenadione means a yellow oily naphthoquinone C₃₁H₄₆O₂ that is obtained especially from alfalfa, cabbage, spinach, and other leafy green vegetables or made synthetically and that has a fast, potent, and prolonged biological effect. It is essential for the blood-clotting process, effective orally, and useful especially in treating hypoprothrombinemia induced by anticoagulant drugs (trademark Mephyton).
- What part of speech is phytomenadione?
- Phytomenadione is a noun.
- How do you pronounce phytomenadione?
- Phytomenadione is pronounced /ˌfaɪ.toʊˌmɛn.əˈdaɪˌoʊn/ (US).
Words near phytomenadione in the dictionary
Source and license
Adapted from Wiktionary: phytomenadione (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “phytomenadione.” Word.ws, https://word.ws/phytomenadione. Based on Wiktionary, CC BY-SA 4.0.
