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naphthoquinone

noun naph·tho·qui·none

variants: also

naphthaquinone

\ˌnaf-thə-kwin-ˈōn, ˌnap-, -ˈkwin-ˌōn\play

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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