ricin - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “ricin”

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ricin

noun [U] uk   us   /ˈraɪ.sɪn/
a poisonous powder obtained from the bean of the castor oil plant
(Definition of ricin from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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