hyp‧no‧sis /hɪpˈnəʊsəs, hɪpˈnəʊsɪs $ -ˈnoʊ-/ noun [uncountable]

1. a state similar to sleep, in which someone’s thoughts and actions can be influenced by someone else
under hypnosis
While under hypnosis, the victim was able to describe her attacker.

2. the act of producing this state

[TahlilGaran] Dictionary of Contemporary English ▲

hypnosis
noun
VERB + HYPNOSIS be given, have, undergo | practise, put sb under I decided to put him under hypnosis and ask him again.
induce | be susceptible to
HYPNOSIS + NOUN session
PREP. during ~ changes in breathing observed during hypnosis
under ~ the things that people remember under hypnosis

[TahlilGaran] Collocations Dictionary ▲