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



BrE BrE//ˌvɪvɪˈsekʃn//
; NAmE NAmE//ˌvɪvɪˈsekʃn//
[uncountable] Experiments and research
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the practice of doing experiments on live animals for medical or scientific research See related entries: Experiments and research Word Originearly 18th cent.: from Latin vivus ‘living’, on the pattern of dissection.
See the Oxford Advanced American Dictionary entry: vivisection