Naphthoquinone

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From WordNet (r) 2.0 [wn]:

  naphthoquinone
       n : a fat-soluble vitamin that helps in the clotting of blood
           [syn: {vitamin K}, {antihemorrhagic factor}]