crack cocaine


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cocaine

 [ko-kān´]
an alkaloid obtained from the leaves of various species of Erythroxylon (coca plants) or produced synthetically; used as a topical anesthetic for surgery of mucous membranes. Abuse of cocaine by inhalation through the nose (“snorting”) is a serious health problem. Chronic users develop ulceration of the nasal mucosa that can eventually lead to perforation of the septum. Its systemic toxic effects are related to its sympathomimetic characteristics, including vasoconstriction, tachycardia, and hypertension. Cardiac dysrhythmias and high fever have caused serious consequences and even death in some cocaine users.
crack cocaine a smokable form of cocaine prepared for illicit use, characterized by rapid absorption and onset of euphoric effects.

crack co·caine

a derivative of cocaine, usually smoked, resulting in a brief, intense high. Crack is relatively inexpensive and extremely addictive. See: street drug.

crack cocaine

n.
Chemically purified, very potent cocaine in pellet form that is smoked through a glass pipe and is considered highly and rapidly addictive.

crack cocaine

A ‘free-base’ form of cocaine, prepared by sodium bicarbonate extraction of cocaine-HCl, resulting in inexpensive yellowish crystals which, when smoked in a pipe, produce a brief, very intense ‘high’

crack co·caine

(krak kō-kān')
A derivative of cocaine, usually smoked, producing brief, intense euphoria. Crack cocaine is relatively inexpensive and extremely addictive; dependency can develop in less than 2 weeks. As with snorted or injected cocaine, it has both acute and chronic adverse effects, including heart and nasopharyngeal damage, seizures, sudden death, and psychosis.
See also: street drug

crack co·caine

(krak kō-kān')
Derivative of cocaine, usually smoked, resulting in a brief, intense high. It is relatively inexpensive and extremely addictive.

crack cocaine,

n a street drug made by chemically converting cocaine hydrochloride to a form that can be smoked. Smoking crack is a faster, more direct way of getting cocaine into the brain. The narcotic effect of smoking crack cocaine is faster and more intense than it is when injected, inhaled, or ingested. No medical application exists for crack cocaine. See cocaine.
References in periodicals archive ?
Marijuana offenders had the shortest average sentence (more than 7 years), which was nearly half that of crack cocaine offenders.
Because the runners are addicted, they usually must take a hit of crack cocaine at least every 15 minutes.
Dwight Porter, 34, of Glenfield Avenue in Bradley, faces a single allegation of supplying crack cocaine on November 29.
Jailing 48-year-old Payne for a total of 28 months, Judge David Wynn Morgan told the defendant the production of crack cocaine was an "appalling" crime.
Judge David Bryant said Johnson was the leader of the enterprise who had "a flourishing retail business dealing in crack cocaine over a considerable period with a considerable number of customers".
After gathering intelligence for the last four months we have achieved our aims and we are showing we will not tolerate crack cocaine on the streets of Newcastle.
A NORTH Wales heroin and crack cocaine dealer was yesterday jailed for two and a half years.
IRELAND is facing a major crack cocaine problem, a drug treatment expert has warned.
North police chiefs are fighting a drug war with organised crime gangs to stop crack cocaine flooding the region.
The trio are charged with conspiracy to supply crack cocaine and heroin, being concerned in the supply of crack cocaine and heroin and possession of crack cocaine and heroin.
A mother-of-one caught carrying almost a kilo of crack cocaine at a station in Birmingham has been jailed for six years.
6) In 1999, Tierney and Stadelmann reported a case of extensive necrosis of the nose and upper lip following intranasal impaction of crack cocaine.