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powerful poisonous alkaloid, 1819, from French strychnine, from Modern Latin Strychnos, the genus name of the plant (nux vomica) from which the poison is obtained, from Greek strychnon, a kind of nightshade, of uncertain origin. The chemical was discovered 1818 by Pelletier and Caventou.
strychnine strych·nine (strĭk'nīn', -nĭn, -nēn')
An extremely poisonous white crystalline alkaloid used as a poison for rodents and formerly used topically as a central nervous system stimulant.