What does "menadione" mean?

A synthetic yellow compound C₁₁H₈O₂ with the biological activity of natural vitamin K menaquinone, used to treat hemorrhage.

What is a synonym for "menadione"?

Common synonyms include: ascorbic acid, niacin, riboflavin, vitamin, vitamin k3, vitamin k3.

Pronounced //ˌmɛn.əˈdʌɪ.əʊn//.

//ˌmɛn.əˈdʌɪ.əʊn// noun

noun ·Rare ·Advanced level

Noun

1
A synthetic yellow compound C₁₁H₈O₂ with the biological activity of natural vitamin K menaquinone, used to treat hemorrhage. countable, uncountable
2
a synthetic chemical compound that is a form of vitamin K, it is an analog of 1,4-naphthoquinone with a methyl group in the 2-position wordnet

From me(thyl) + na(phthalene) + dione.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.