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.
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.
References in periodicals archive ?
Debra Ann Walsh, 57, of Lower Avenue, Leamington, found guilty to one count of conspiracy to supply crack cocaine and one count of conspiracy to supply heroin.
Jack Ross, 21, of Prenton Green, Speke, Liverpool was convicted of conspiracy to supply heroin and crack cocaine. Sentenced to five years and six months.
Paul Williamson, 52, of Park Avenue in Saughall, has been charged with one count of conspiracy to supply crack cocaine and one count of conspiracy to supply heroin.
Sometimes indirectly, that is, only the consumption environment, or even crack cocaine preparation ritual.
? Asim Mahmood, 20, warehouse man, of Millhouse Road, Yardley, jailed for two years and three months for conspiracy to supply heroin and crack cocaine. ?
Lenaghan, 49, of Sykes Walk, Soothill, Batley, was jailed for a total of five-and-ahalf years after admitting four charges of possessing crack cocaine or heroin with intent to supply.
"Officers found and seized a large amount of what is believed to be crack cocaine and over PS10,000 in sterling and euros.
She was convicted of possessing heroin, crack cocaine and ammunition, and of possessing crack cocaine with intent to supply.
Crack cocaine use is a major problem in Brazil's largest cities and is now spreading to smaller towns.
A strip search back at the police station uncovered 18 wraps of heroin and 13 of crack cocaine.
Crack cocaine, marijuana and narcotics paraphernalia were allegedly recovered, resulting in five arrests.
Although these inequalities are important to the larger community, there appear to be further inconsistencies that primarily affect African American women who use crack cocaine. These women are subject to a unique environmental context, with specific stressors, that has a direct and dramatic effect on health outcomes, specifically related to HIV/AIDS.