Word
naphthoquinone, n.
(naphthoquinones)
a fat-soluble vitamin that helps in the clotting of blood
<noun.substance>
antihemorrhagic factor
naphthoquinone
vitamin K
semantic pointers
hypernym
fat-soluble vitamin
hyponym
vitamin K1, phylloquinone, phytonadione
vitamin K3, menadione