Definition of procaine noun from the Oxford Advanced Learner's Dictionary

 

procaine

 noun
noun
BrE BrE//ˈprəʊkeɪn//
 
; NAmE NAmE//ˈproʊkeɪn//
 
(also novocaine)[uncountable](medical)
 
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a substance used to stop somebody from feeling pain in a particular part of their body, especially by a dentist Word Origin early 20th cent.: from pro- (denoting substitution) + -caine (from cocaine).
See the Oxford Advanced American Dictionary entry: procaine