Definition of iridescent adjective from the Oxford Advanced American Dictionary

 

iridescent

 adjective
adjective
NAmE//ˌɪrəˈdɛsnt//
 
(formal)
 
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showing many bright colors that seem to change in different lights a bird with iridescent blue feathers
iridescence
 
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NAmE//ˌɪrəˈdɛsns//
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: iridescent