Longman Dictionary of Contemporary English homepage

Date: 1700-1800
Language: Modern Latin
Origin: Greek anaisthesia, from aisthesis 'feeling'

anesthesia

 noun
     
an‧es‧the‧si‧a [uncountable]
x-ref the usual American spelling of anaesthesia
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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