Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
free-base is a verb meaning "use (purified cocaine) by burning it and inhaling the fumes". It carries one recorded sense.
Definitions, synonyms and semantic relations for free-base come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.