Anesthesia

Definitions

1. An artificial method of preventing sensation, used to eliminate pain without causing loss of vital functions, by the administration of one or more agents which block pain impulses before transmitted to the brain.
   Canada, US, countable, uncountable
2. The loss or prevention of sensation, as caused by anesthesia (in the above sense), or by a lesion in the nervous system, or by another physical abnormality.
   US, countable, uncountable
3. A medication that provides the service of temporarily blocking sensation.
   broadly, countable, metonymically, often, proscribed, uncountable

Equivalents

Examples

“In addition, 0.5 ml of 1% lidocaine HCl was injected subcutaneously in the postauricular area for local anesthesia.”

“In some individuals optimism may become⟳ quasi-pathological. The capacity for even a transient sadness or a momentary humility seems cut⟳ off from them as by a kind of congenital anæsthesia.”

CEFR level