se ‧ da ‧ tion /sɪˈdeɪʃ ə n/ BrE AmE noun [uncountable]
the use of drugs to make someone calm or go to sleep
under sedation
The patient was still under heavy sedation.
se ‧ da ‧ tion /sɪˈdeɪʃ ə n/ BrE AmE noun [uncountable]
the use of drugs to make someone calm or go to sleep
under sedation
The patient was still under heavy sedation.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012