# phytomenadione

> English word · Noun · IPA /ˌfaɪ.toʊˌmɛn.əˈdaɪˌoʊn/

## Definitions
1. 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).

## Etymology
From phyt(ene) + -o- + menadione.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phytomenadione