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

mastectomy

noun
 
/mæˈstektəmi/
 
/mæˈstektəmi/
[countable, uncountable]
(plural mastectomies)
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  1. a medical operation to remove a person’s breast
    Word Origin1920s: from Greek mastos ‘breast’ + -ectomy.
See mastectomy in the Oxford Advanced American Dictionary
Check pronunciation: mastectomy

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trait
noun
 
 
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