cinnabar

cinnabar is a Noun

Definition:

[1] Red sulphide of mercury, occurring in brilliant red crystals, and also in red or brown amorphous masses. It is used in medicine.

[2] The artificial red sulphide of mercury used as a pigment; vermilion. Cinnabar Græcorum (. Etym: [L. Graecorum, gen. pl., of the Greeks.] (Med.) Same as Dragon`s blood. -- Green cinnabar, a green pigment consisting of the oxides of cobalt and zinc subjected to the action of fire. -- Hepatic cinnabar (Min.), an impure cinnabar of a liver-brown color and submetallic luster.