ricin
1. [ noun ] (biology,chemistry,medicine,zoology,biochemistry,immunology,pharmacology) a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon
Synonyms: ricin_toxin
Examples:

"one milligram of ricin can kill an adult"

Related terms: albumin toxin
Similar spelling:   Riggin
  rich_in
  Rison
  risen
  Rigney
  Riggan
  Ricken