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

 

cyan

 noun
noun
BrE BrE//ˈsaɪən//
 
; NAmE NAmE//ˈsaɪən//
 
[uncountable](specialist)
 
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a greenish-blue colour, used in printing Word Origin late 19th cent.: from Greek kuaneos ‘dark blue’.
See the Oxford Advanced American Dictionary entry: cyan