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Noun: ricin  rI-sin
  1. A toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon
    "one milligram of ricin can kill an adult"; "one milligram of ricin toxin can kill an adult"
    - ricin toxin

Derived forms: ricins

Type of: albumen, albumin, toxin

Encyclopedia: Ricin