ricin

Definitions of ricin
1

n 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”
Synonyms:
ricin toxin
Type of:
albumen, albumin
a simple water-soluble protein found in many animal tissues and liquids
toxin
a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species

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