Cinnabar (?), n. [L. cinnabaris, Gr. &unr_;; prob. of Oriental origin; cf. Per. qinbār, Hind. shangarf.]
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1. (Min.) Red sulphide of mercury, occurring in brilliant red crystals, and also in red or brown amorphous masses. It is used in medicine.
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2. The artificial red sulphide of mercury used as a pigment; vermilion.
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Cinnabar Græcorum (&unr_;). [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.
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