tricolor

Adjective

• having or involving three colors
  • trichromatic vision
    
  • a trichromatic printing process
    
  • trichromatic staining is the staining of tissue samples differentially in three colors
    
  • tricolor plumage
    
  • a tricolor process in photography
    

Noun

• a flag having three colored stripes (especially the French flag)

Related words

• Synonyms: 
  trichromatic , trichrome , tricolour