Definition of anesthesia in US English:

anesthesia

(British anaesthesia)

noun

  • Insensitivity to pain, especially as artificially induced by the administration of gases or the injection of drugs before surgical operations.

    ‘during anesthesia body temperature falls due to the effect of drugs’
    ‘modern clinical anesthesia uses low concentrations of volatile anesthetics’
    • ‘Epidural anaesthesia is a safe and reliable method of pain relief.’
    • ‘Epidural anaesthesia is particularly suitable for certain operations.’
    • ‘Patients admitted to being more afraid of anesthesia than the actual surgical procedure.’
    • ‘It is usually performed as a day case surgical procedure under general anaesthesia.’
    • ‘Maybe the numbness is the body providing temporary anesthesia for the pain.’
    • ‘Coexisting conditions may compromise anesthesia and increase surgical risk.’
    • ‘Epidural anesthesia has become increasingly popular for pain control during labor.’
    • ‘All surgical interventions and anesthesia were conducted in conformity with institutioned guidelines.’
    • ‘If an adult needed to be circumcised, he would be given anesthesia and postoperative pain relief.’
    • ‘Permanent pain relief with anesthesia can be achieved with injections of phenol into the pain trigger point.’
    • ‘Patients have many fears regarding surgery, including fear of death, anesthesia, and pain.’
    • ‘The anesthesia care provider administers anesthesia while the patient remains on the stretcher.’
    • ‘The scrub persons drape the patient, and the surgeon infiltrates the surgical site with local anesthesia.’
    • ‘This can be overcome, however, with skillful administration of anesthesia.’
    • ‘Body piercing is traditionally done without any anesthesia to dull the pain.’
    • ‘It is also possible to induce anaesthesia with anaesthetic gases, breathed through a mask.’
    • ‘For many years pessaries have been used to treat prolapse, although their use has decreased with advances in anaesthesia and surgical techniques.’
    • ‘We speculated that the effects of surgical injury and anaesthesia might be as important as the use of cardiopulmonary bypass in causing impairment.’
    • ‘This is a major operation requiring single lung anaesthesia, and many patients with cardiac or underlying lung disease will not tolerate it.’
    • ‘Topical anesthesia is administered by instilling anesthetic drops into the eye.’

Origin

Early 18th century: modern Latin, from Greek anaisthēsia, from an- ‘without’ + aisthēsis ‘sensation’.

Pronunciation

anesthesia

/ˌænəsˈθiʒə//ˌanəsˈTHēZHə/