(biochemistry, pharmacology) A pale yellow crystalline naphthoquinone C₄₁H₅₆O₂ that is obtained especially from putrefied fish meal and produced by bacteria in the large intestine and essential for the blood-clotting process. It is much more unsaturated than vitamin K₁ and slightly less active biologically, and is an isoprenoid derivative of menadione.
moquelumnan
normanesque
plasmoquine
plasmoquine
noun
(medicine) Synonym of chloroquine
quantometer
quantometer
noun
A device for performing spectrographic analysis.
quondamship
quondamship
noun
(obsolete, rare) The property of being former, no longer current.