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Morphine \Mor"phine\, n. [From Morpheus: cf. F. morphine.] (Chem.) A bitter white crystalline alkaloid found in opium, possessing strong narcotic properties, and much used as an anodyne; -- called also {morphia}, and {morphina}.
morphine n : an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain [syn: {morphia}]