freebase
Speech parts
1. freebase - Noun
2. freebase - Verb
Meaning
(chemistry) The purified, dry form of an amine, especially an alkaloid natural product, that is normally used in solution.
(specifically) The purified, dry form of certain illegal drugs, especially cocaine.
To purify a drug by crystallization.
To use a purified drug, especially cocaine, by heating it and inhaling the fumes produced.
Source: en.wiktionary.orgSynonyms
Examples
Its freebase form, although less stable than DMT fumarate, is favored by recreational users choosing to vaporize the chemical as it has a lower boiling point.
Smoking freebase cocaine has the additional effect of releasing methylecgonidine into the user's system due to the pyrolysis of the substance (a side effect which insufflating or injecting powder cocaine does not create).
Juul combines freebase nicotine with benzoic acid in its e-liquid, creating a chemical reaction that produces the nicotine salts.
Crack is the smokable, freebase form of the street drug cocaine.
To be clear, you don't have to turn cocaine into crack to "freebase" it.