Plural of cocaine; multiple instances or quantities of the drug cocaine, or different forms of the substance.
From 'cocaine' (coca plant alkaloid) plus the regular English plural suffix '-s'. Cocaine itself comes from 'coca' via Spanish/Portuguese from Quechua.
In pharmaceutical and legal contexts, chemists distinguish between 'cocaines'—cocaine hydrochloride and cocaine base behave very differently in the body and have different street names, which affects how law enforcement categorizes them!
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