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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 ?
Amlodipine and valsartan tablets contain amlodipine besylate equivalent to 5 mg or 10 mg of amlodipine free-base with valsartan 160 mg or 320 mg providing for the following available combinations: 5 mg/160 mg, 10 mg/160 mg, 5 mg/320 mg, and 10 mg/320 mg strengths.
Coke, charlie, snow, free-base, call it what you like, is available in every village and town across Northern Ireland.
Oropharyngeal injury possibly due to free-base cocaine.