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or free-base (frē′bās′)
v. free·based, free·bas·ing, free·bas·es or free-based or free-bas·ing or free-bas·es
1. To purify (cocaine) by treating its powdered hydrochloride form with an alkaloid solution such as ammonia and then using a heated solvent to separate out the precipitate.
2. To use (cocaine purified in this way) by smoking it or by inhaling the fumes after burning it.
To prepare or use cocaine purified in this way.
Cocaine purified by this method.

free′bas′er n.
ThesaurusAntonymsRelated WordsSynonymsLegend: - use (purified cocaine) by burning it and inhaling the fumesfree-base - use (purified cocaine) by burning it and inhaling the fumes
do drugs, drug - use recreational drugs
References in periodicals archive ?
Instead of free-base nicotine, JUUL pods are filled with a proprietary e-liquid formula that combines glycerol, propylene glycol, natural oils, extracts and flavor, nicotine and benzoic acid, according to the company's website.
Here, with the addition of the boleros, he adapts the originals--written for keyboard--for the accordion: "All pieces recorded here has been realised true to the original (without changing the tone pitches or their structure) on a free-base accordion with chromatic button manuals on either side, allowing the use of all five fingers on each hand" (15).
The metal free-base [H.sub.2]TPP was synthesized by the conventional method of condensation of benzaldehyde with pyrrole by modified Adler method [18].