Narcotics Definition
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Narcotics:
Originally, agents that caused somnolence or induced sleep; now, any derivative, natural or synthetic, of opium or morphine or any substance that has their effects. Narcotics have potent analgesic effects associated with significant changes in mood and behavior, and with the potential for dependence and tolerance following repeated administration. (Stedman, 25th ed)Synonym: opioids, opiates.