procaine
noun /ˈprəʊkeɪn/
/ˈprəʊkeɪn/
(also novocaine)
[uncountable] (medical- a substance used to stop somebody from feeling pain in a particular part of their body, especially by a dentist
普鲁卡因(牙医等用的局部麻醉药) 词源early 20th cent.: from pro- (denoting substitution) + -caine (from cocaine).