Corroval :: Corroval (n.) A dark brown substance of vegetable origin, allied to curare, and used by the natives of New Granada as an arrow poison..
Corrovaline :: Corrovaline (n.) A poisonous alkaloid extracted from corroval, and characterized by its immediate action in paralyzing the heart..
Incorrodible :: Incorrodible (a.) Incapable of being corroded, consumed, or eaten away..