| NOUN | substance | ricin, ricin toxin | a toxic protein extracted from castor beans |
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| Meaning | A toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon. | |
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| Example | "one milligram of ricin can kill an adult" | |
| Synonym | ricin toxin | |
| Broader | albumin, albumen | A simple water-soluble protein found in many animal tissues and liquids / liquids |
| toxin | A poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species | |
| Spanish | ricina | |
| Catalan | ricina | |
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