cacanthrax
| crack | A fissure or fracture. Caused by the effects of stress on weak or weakened parts of a material. To break a large, complex compound into simpler compounds. To open something slightly. A narcotic drug illegal in most countries which is a cheaper, more addictive, smokeable version of cocaine (another illegal narcotic) with more adverse effects on the user than cocaine. (09 Oct 1997) |
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| crack cocaine | The purified, alkaloidal, extra-potent form of cocaine. It is smoked (free-based), injected intravenously, and orally ingested. Use of crack results in alterations in function of the cardiovascular system, the autonomic nervous system, the central nervous system, and the gastrointestinal system. There are concomitant psychological and social alterations as well. The slang term "crack" was derived from the crackling sound made upon igniting of this form of cocaine for smoking. (12 Dec 1998) |
| sand-crack | A crack or fissure in the hoof of the horse, occurring usually on the inside of the forefoot (quarter-crack) or in the forepart of the hindfoot (toe-crack); when the crack is deep enough to expose the sensitive laminae, or when it extends to the coronary band, lameness results. (05 Mar 2000) |
| quarter-crack | See: sand-crack. (05 Mar 2000) |
| toe-crack | See: sand-crack. (05 Mar 2000) |
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