The Collaborative International Dictionary
Ricinine
Ricinine \Ric"i*nine\, n. [L. ricinus castor-oil plant.] (Chem.) A bitter white crystalline alkaloid ( C8H8N2O2) extracted from the seeds of the castor-oil plant ( Ricinus communalis). Called also ricidine. Ingestion may cause vomiting and various other toxic reactions, including liver and kidney damage, convulsions, hypotension, and death.
Wiktionary
ricinine
n. (context organic compound English) An alkaloid extracted from the seeds of the castor oil plant.