A patient receiving anaesthesia.
An example of anesthesia is the state a person is in after being given Novocaine for a dental procedure.
- a partial or total loss of the sense of pain, temperature, touch, etc., produced by disease
- ⌂ a loss of sensation induced by an anesthetic, hypnosis, or acupuncture and limited to a specific area (local anesthesia) or involving a loss of consciousness (general anesthesia)
Origin of anesthesiaModern Latin ; from Classical Greek anaisth?sia ; from an-, without + aisth?sis, feeling ; from aisthanesthai: see aesthetic
- Total or partial loss of sensation, especially tactile sensibility, induced by disease, injury, acupuncture, or an anesthetic, such as chloroform or nitrous oxide.
- Local or general insensibility to pain with or without the loss of consciousness, induced by an anesthetic.
- A drug, administered for medical or surgical purposes, that induces partial or total loss of sensation and may be topical, local, regional, or general, depending on the method of administration and area of the body affected.
Origin of anesthesiaNew Latin anaesth&emacron;sia, from Greek anaisth&emacron;si&amacron;, insensibility : an-, without; see a–1 + aisth&emacron;sis, feeling (from aisthanesthai, aisth&emacron;-, to feel; see au- in Indo-European roots).
(countable and uncountable, plural anesthesias)
- (medicine) A method of preventing sensation, used to eliminate pain.
- The loss or prevention of pain, as caused by anesthesia.