American English

Definition of vivisection noun from the Oxford Advanced American Dictionary

 

vivisection

 noun
noun
NAmE//ˌvɪvəˈsɛkʃn//
 
, NAmE//ˈvɪvəˌsɛkʃn//
 
[uncountable]
 
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the practice of doing experiments on live animals for medical or scientific research
See the Oxford Advanced Learner's Dictionary entry: vivisection