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: a powerful drug that is used in medicine to stop pain or is taken illegally for pleasure
Full Definition of COCAINE
: a bitter crystalline alkaloid C17H21NO4 obtained from coca leaves that is used especially in the form of its hydrochloride medically as a topical anesthetic and illicitly for its euphoric effects and that may result in a compulsive psychological need
: a bitter crystalline alkaloid C17H21NO4 obtained from coca leaves that is used medically especially in the form of its hydrochloride C17H21NO4·HCl as a topical anesthetic and illicitly for its euphoric effects and that may result in a compulsive psychological need
Heterocyclic compound (CHNO), an alkaloid obtained from coca leaves. It has legal uses in medicine and dentistry as a local anesthetic but far more is used illegally, usually as the hydrochloride. When sniffed in small amounts, cocaine produces feelings of well-being and euphoria, decreased appetite, relief from fatigue, and increased mental alertness. Larger amounts or prolonged use can damage the heart and nasal structures and cause seizures. In altered, more potent, cheaper forms (freebase, crack), cocaine is injected or smoked and is extremely addictive (seedrug addiction) and detrimental to health. Prolonged or compulsive use of any form of purified cocaine can cause severe personality disturbances, inability to sleep, appetite loss, and paranoid psychosis.