Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ricin

1 sense of ricin

Sense 1
ricin, ricin toxin -- (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")
       => albumin, albumen -- (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)