Definition of cinnabar noun from the Oxford Advanced Learner's Dictionary

     

    cinnabar

     noun
    noun
    BrE BrE//ˈsɪnəbɑː(r)//
     
    ; NAmE NAmE//ˈsɪnəbɑːr//
     
    [uncountable]
     
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  1. 1 a bright red mineral that is sometimes used to give colour to things
  2. 2 the bright red colour of cinnabar
  3. Word Origin Middle English: from Latin cinnabaris, from Greek kinnabari, of oriental origin.
See the Oxford Advanced American Dictionary entry: cinnabar