freebase

== English == === Alternative forms === free base === Etymology === From free +‎ base. === Noun === freebase (countable and uncountable, plural freebases) (chemistry) The purified, dry form of an amine, especially an alkaloid natural product, that is normally used in solution. 2007, Jared Ledgard, A Laboratory History of Narcotics, Volume 1: Amphetamines and Derivatives, page 108, Note: this freebase methedrine will actually be a mixture of the DL and L-forms, from which the L-form is the most common used in the preparation of methamphetamine. (specifically) The purified, dry form of certain illegal drugs, especially cocaine. === Verb === freebase (third-person singular simple present freebases, present participle freebasing, simple past and past participle freebased) To purify a drug by crystallization. To use a purified drug, especially cocaine, by heating it and inhaling the fumes produced. === Derived terms === === See also === crack cocaine based