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Definition of cetacean adjective from the Oxford Advanced Learner's Dictionary

cetacean

adjective
 
/sɪˈteɪʃn/
 
/sɪˈteɪʃn/
(biology)
(also cetaceous
 
/sɪˈteɪʃəs/
 
/sɪˈteɪʃəs/
)
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  1. connected with the group of creatures that includes whales and dolphins
    Word Originmodern Latin (plural), from Latin cetus, from Greek kētos ‘whale’.
See cetacean in the Oxford Advanced American Dictionary
Check pronunciation: cetacean

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trait
noun
 
 
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