Definition of ketamine noun from the Oxford Advanced American Dictionary

 

ketamine

 noun
noun
NAmE//ˈkɛt̮əˌmin//
 
, NAmE//ˈkit̮əˌmin//
 
[uncountable]
 
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a substance that is used as an anesthetic, and also as a drug that is taken illegally for pleasure
See the Oxford Advanced Learner's Dictionary entry: ketamine