[ ˌanɪs'θi:zɪə ]
( US anesthesia )
■ noun insensitivity to pain, especially as artificially induced by the administration of gases or drugs before a surgical operation.
Derivatives
anaesthesiologist noun
anaesthesiology noun
Origin
C18: mod. L., from Gk anaisthēsia , from an- 'without' + aisthēsis 'sensation'.