'Naphthoquinone' definitions:

Definition of 'naphthoquinone'

From: WordNet
noun
A fat-soluble vitamin that helps in the clotting of blood [syn: vitamin K, naphthoquinone, antihemorrhagic factor]

Definition of 'Naphthoquinone'

From: GCIDE
  • 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]