from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Variant of anesthesia.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A method of preventing sensation, used to eliminate pain.
- n. Loss or prevention of pain, as caused by anesthesia.
an- + aesthesia, from Ancient Greek ἀναισθησία, from ἀν- (an, "not") with αἴσθησις (aisthēsis, "sensation"). (Wiktionary)