menadione en · NOUN
Pronunciation
- /ˌmɛn.əˈdʌɪ.əʊn/ (Received-Pronunciation)
- /ˌmɛn.əˈdaɪˌoʊn/ (General-American)
Etymology
Etymology tree 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 From me(thyl) + na(phthalene) + dione.
Meanings
- (countable, uncountable) A synthetic yellow compound C₁₁H₈O₂ with the biological activity of natural vitamin K menaquinone, used to treat hemorrhage.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| menadiones | Number=Plur | lexicographic |