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vivisection

noun
🔊/ˌvɪvɪˈsekʃn/
🔊/ˌvɪvɪˈsekʃn/
 [uncountable]
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  1. the practice of doing experiments on live animals for medical or scientific research活体解剖Topics Scientific researchc2
    Word Originearly 18th cent.: from Latin vivus ‘living’, on the pattern of dissection.