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noun

anesthesia

an-uhs-THEEZ-ee-uh
noun
1
A medically induced state in which a patient cannot feel pain, used during surgery or other procedures.
"She woke up an hour after the anesthesia wore off."
"The dentist used local anesthesia before pulling the tooth."
2
The loss of sensation itself, whether caused deliberately by medicine or by nerve damage.
"The nerve injury left a patch of anesthesia across his forearm."

How to Use Anesthesia

Learner’s notes

In plain EnglishThe medical process (or drug) that blocks pain, used so patients don't feel surgery happening.

UK vs US

Spelled "anaesthesia" in British English, "anesthesia" in American English.

Common pairings
general anesthesia local anesthesia under anesthesia administer anesthesia

Word Forms

anesthesias plural

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She woke up an hour after the _____ wore off.

Etymology

From Greek an- ("without") + aisthesis ("sensation") — literally "no feeling."

Rhymes for anesthesia

See all rhymes for anesthesia →
Definitions: FreeDict original editorial