hypnosis
noun /hɪpˈnəʊsɪs/
  /hɪpˈnəʊsɪs/
[uncountable]- an unconscious state in which somebody can still see and hear and can be influenced to follow commands or answer questions
- under hypnosis She only remembered details of the accident under hypnosis.
 - changes in breathing observed during hypnosis
 
Oxford Collocations Dictionaryverb + hypnosis- have
 - undergo
 - use
 - …
 
- session
 
- during hypnosis
 - under hypnosis
 
 - (also hypnotism)the practice of hypnotizing a person (= putting them into an unconscious state)
- He uses hypnosis as part of the treatment.
 - Hypnosis helped me give up smoking.
 
Oxford Collocations Dictionaryverb + hypnosis- have
 - undergo
 - use
 - …
 
- session
 
- during hypnosis
 - under hypnosis
 
 
Word Originlate 19th cent.: from Greek hupnos ‘sleep’ + -osis.