Naphthoquinone Naph`tho*qui"none, n. [Naphthalene + quinone.] (Chem.) A yellow crystalline substance, {C10H6O2}, analogous to quinone, obtained by oxidizing naphthalene with chromic acid. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • naphthoquinone — 1. A quinone derivative of naphthalene, reducible to naphthohydroquinone; 1,4 n. derivatives have vitamin K activity ( e.g., menaquinone). 2. A class of compounds containing the n. (1) structure. * * * naph·tho·qui·none also naph·tha·qui·none… …   Medical dictionary

  • naphthoquinone — naph·tho·quinone …   English syllables

  • naphthoquinone — noun a fat soluble vitamin that helps in the clotting of blood • Syn: ↑vitamin K, ↑antihemorrhagic factor • Hypernyms: ↑fat soluble vitamin • Hyponyms: ↑vitamin K1, ↑phylloquinone, ↑ …   Useful english dictionary

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  • 1,2-naphthoquinone — noun An isomer of naphthoquinone …   Wiktionary

  • 1,4-naphthoquinone — noun An isomer of naphthoquinone …   Wiktionary

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