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

Origin

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

Pronunciation

anesthesia

/ˌanəsˈTHēZHə//ˌænəsˈθiʒə/