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Menadione

//ˌmɛn.əˈdʌɪ.əʊn// noun

Definitions

Noun
  1. 1
    A synthetic yellow compound C₁₁H₈O₂ with the biological activity of natural vitamin K menaquinone, used to treat hemorrhage. countable, uncountable
  2. 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

Etymology

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

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