vivisectional


viv·i·sec·tion

V0131900 (vĭv′ĭ-sĕk′shən, vĭv′ĭ-sĕk′-)n. The act or practice of cutting into or otherwise injuring living animals for the purpose of scientific research.
[Latin vīvus, alive; see vivify + (dis)section.]
viv′i·sec′tion·al adj.viv′i·sec′tion·al·ly adv.viv′i·sec′tion·ist n.