FREEBASE

I. verb Date: 1980 intransitive verb to prepare or use ~ cocaine, transitive verb to prepare or use (cocaine) as ~, ~r noun II. noun Date: 1980 a purified solid form of cocaine (as crack) that is obtained by treating the powdered hydrochloride of cocaine with an alkaloid base (as sodium bicarbonate) and that can be smoked or heated to produce vapors for inhalation