リシンalso: リチンリシンFreq.FrequencyTop 50,000Meanings1nounricinchemistryA highly toxic protein derived from castor beans; used in biochemistry and toxicology contexts.リシンはトウゴマの種しゅ子しに含ふくまれる有ゆう毒どくタンパク質しつです。Ricin is a toxic protein found in castor bean seeds.