Cinnabar

['sɪnəbɑː] or ['sɪnə,bɑr]

(noun.) large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort.

(noun.) a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury.

Checker: Selma--From WordNet

(n.) Red sulphide of mercury, occurring in brilliant red crystals, and also in red or brown amorphous masses. It is used in medicine.

(n.) The artificial red sulphide of mercury used as a pigment; vermilion.

Checked by Bianca

n. [1]. Red sulphuret of mercury (native), bi-sulphuret of mercury.[2]. Vermilion, red sulphuret of mercury (artificial).

Typist: Rosa

n. sulphuret of mercury called vermilion when used as a pigment.—adj. vermilion-coloured.—adjs. Cinnabar′ic Cinn′abarine.

Edited by Diana