phytomenadione en · NOUN
Pronunciation
- /ˌfaɪ.toʊˌmɛn.əˈdaɪˌoʊn/ (General-American)
Etymology
Etymology tree English phyt(ene) Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- Proto-Indo-European *médʰu Proto-Hellenic *métʰu Ancient Greek μέθυ (méthu) Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Methylbor. English me(thyl) Akkadian napṭumbor.? Old Persian *naftahbor. Ancient Greek νάφθα (náphtha)bor. Latin naphthabor. English naphth(a) English -al French -ènebor. English -ene English na(phthalene) Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Hellenic *dwi- Ancient Greek δῐ- (dĭ-)bor. Latin di-bor. English di- German Ketonbor. English ketone English -one English dione English menadione English phytomenadione From phyt(ene) + -o- + menadione.
Meanings
- (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).
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| phytonadione | alternative | lexicographic |