Found 2 items, similar to free-base.
English → English (WordNet) Definition: free-base free-base v : use (purified cocaine) by burning it and inhaling the fumes [syn: base]
English → English (gcide) Definition: free-base free-base \free-base\, Free base \Free" base`\(fr[=e]" b[=a]s`), v. i. To ingest the basic form of a narcotic drug, usually by injection. [PJC]