cinnabar

/ˌsɪnəˈbɑr/

Other forms: cinnabars

Definitions of cinnabar

1. noun

   a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury
   type of:

   mineral

   solid homogeneous inorganic substances occurring in nature having a definite chemical composition
2. adjective

   of a vivid red to reddish-orange color
   synonyms: Chinese-red, vermilion, vermillion

   chromatic

   being, having, or characterized by hue
3. noun

   large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort
   synonyms: Callimorpha jacobeae, cinnabar moth

   type of:

   arctiid, arctiid moth

   stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars