noun
ricin
REYE-sihn
noun
1
A highly poisonous protein extracted from castor beans.
"Even a tiny amount of ricin can be fatal if ingested."
How to Use Ricin
Learner’s notesIn plain EnglishA deadly poison made from castor beans.
Common pairings
ricin poisoning
trace amounts of ricin
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Etymology
Borrowed from Latin ricinus, the name of the castor-oil plant the poison is extracted from.