- noun a process that prevents a person or animal from feeling pain, usually by the use of drugs
(written as Anaesthesia)Desensitizating to pain, usually through injection or gas. It includes pain management for people with chronic painful conditions. The relevant medical speciality is also called 'anaesthesia', 'anesthesia' or 'anesthesiology'.
- noun a state, deliberately produced in a patient by a medical procedure, in which he or she can feel no pain, either in a part or in the whole of the body
- noun a loss of feeling caused by damage to nerves