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



BrE BrE//sɪˈdeɪʃn//
; NAmE NAmE//sɪˈdeɪʃn//
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the act of giving somebody drugs in order to make them calm or to make them sleep; the state that results from this The victim's wife was last night being kept under sedation in the local hospital. Word Originmid 16th cent.: from French sédation or Latin sedatio(n-), from sedare ‘settle’, from sedere ‘sit’.
See the Oxford Advanced American Dictionary entry: sedation