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 ?
Jamie Crompton, 31, of Ainsworth Lane, Bolton, was jailed seven years for conspiracy to supply heroin and crack cocaine, as well as robbery and handing a stolen vehicle.
Asim Mahmood, 20, warehouse man, of Millhouse Road, Yardley, jailed for two years and three months for conspiracy to supply heroin and crack cocaine.
O'Donnell, 22, of Churchill Drive, Horbury, Wakefield, admitted two offences of possessing heroin with intent to supply and two of possessing crack cocaine with intent was jailed for 32 months.
Balmont and Begum pleaded guilty to conspiracy to supply heroin and crack cocaine.
Joseph's School); possession with intent to distribute crack cocaine; two counts of possession with intent to to distribute marijuana, and possession of crack cocaine and marijuana.
A series of 11 focus group interviews were conducted to gain an understanding of the perceptions, impressions, and insights of African American women who were either current or former crack cocaine users.
Habitually smoking crack cocaine causes pulmonary damage (crack lung) (Figure).
They also found 30 grammes of crack cocaine, 25 grammes of cannabis resin, two ecstasy tablets and electric scales and plastic bags, said Geoffrey Fryar, prosecuting.
Two men have admitted their parts in a conspiracy to supply heroin and crack cocaine in the Midlands over a 15-week period last year.
His mom had used crack cocaine, crystal meth and abused alcohol for 20 years and has been in and out of jail, but has been clean for six years and he has moved in with her.
This report examines past year cocaine and crack cocaine use among persons aged 12 or older, as well as cocaine abuse or dependence.
Detectives found cocaine and crack cocaine at the property with an estimated street value of pounds 2.