anociassociation

noun

ano·​ci·​as·​so·​ci·​a·​tion ə-ˌnō-sē-ə-ˌsō-sē-ˈā-shən, a-, -ˌsō-shē- 

: a method of preventing shock and exhaustion incident to surgical operations by preventing communication between the area of operation and the nervous system especially by means of a local anesthetic or sharp dissection