cinnabar

adjective

1. of a vivid red to reddish-orange color

Similar word(s): chromatic, vermilion, vermillion

noun

1. a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury

Definition categories: substance, mineral

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

Definition categories: animal, arctiid