/ ˈraɪsɪn; NAmE / noun
[ U ] a very poisonous substance obtained from the seeds of the castor oil plant
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WORD ORIGIN
late 19th cent.: from modern Latin Ricinus communis (denoting the castor oil plant) + -in .
/ ˈraɪsɪn; NAmE / noun
[ U ] a very poisonous substance obtained from the seeds of the castor oil plant
••
WORD ORIGIN
late 19th cent.: from modern Latin Ricinus communis (denoting the castor oil plant) + -in .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005