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English definition of “sedation”

sedation

noun [U] /siˈdei.ʃen/ US  // specialized
the use of a drug or other means to make someone calm or to make them go to sleep: Sedation is often given to allow a patient to be comfortable during a surgical or medical procedure. She's under strong sedation and should not be disturbed.Administering drugs and medicines
(Definition of sedation noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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