neuroleptanaesthesia
/ˌnjʊərə(ʊ)lɛptanɪsˈθiːzɪə/Medicine
noun
A method of anaesthesia employing drugs used for neuroleptanalgesia with a weak anaesthetic (usually nitrous oxide); the state of neuroleptanalgesia and unconsciousness induced by this.
Origin
1960s; earliest use found in Anaesthesia & Analgesia Current Research. From neurolept- + anaesthesia.