naphthoquinone

noun
naph·​tho·​qui·​none
variants: also naphthaquinone \ ˌnaf-​thə-​kwin-​ˈōn, ˌnap-​, -​ˈkwin-​ˌōn How to pronounce naphthaquinone (audio) \

Medical Definition of naphthoquinone

: any of three isomeric yellow to red crystalline compounds C10H6O2 derived from naphthalene especially : one that occurs naturally in the form of derivatives (as vitamin K)

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