freebase

or free-base

[ free-beys ]
/ ˈfriˌbeɪs /
Slang.

verb (used with object), free·based, free·bas·ing.

to purify (cocaine) by dissolving in ether, sodium hydroxide, etc., and filtering off the precipitate.
to ingest (freebased cocaine).

verb (used without object), free·based, free·bas·ing.

to freebase cocaine.

noun

freebased cocaine.

Origin of freebase

First recorded in 1975–80; free + base1

OTHER WORDS FROM freebase

free·bas·er, noun

Example sentences from the Web for freebase

British Dictionary definitions for freebase

freebase
/ (ˈfriːˌbeɪs) /

noun

slang cocaine that has been refined by heating it in ether or some other solvent

verb freebases, freebasing or freebased

to refine (cocaine) in this way
to smoke or inhale the fumes from (refined cocaine)