ricin

Noun

ri=cin

WORDNET DICTIONARY

ricin(n = noun.substance) 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"

is a kind of albumen, albumin, toxin

ricin, n. a toxic substance obtained from castor oil beans and causing gastroenteritis, jaundice, and heart failure.

Etymology

mod.L ricinus communis castor oil