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

 

freebase

 noun
noun
BrE BrE//ˈfriːbeɪs//
 
; NAmE NAmE//ˈfriːbeɪs//
 
[uncountable](slang) Addiction
 
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a specially prepared form of the powerful illegal drug cocaine See related entries: Addiction
See the Oxford Advanced American Dictionary entry: freebase