Englishfor English speakers
morphine
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noun
an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain
nitrate
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noun
any compound containing the nitrate group (such as a salt or ester of nitric acid)
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verb
treat with nitric acid, so as to change an organic compound into a nitrate
nitroglycerin is obtained by nitrating glycerol