A brownish-yellow oil obtained from the seeds of a tropical Asian shrub or small tree (Croton tiglium) and having a cathartic action too violent for human use.

• 巴豆油：一种棕黄色油，从一种亚洲热带灌木或小树（巴豆属巴豆）的种子中提取，有强烈的导泻作用，人类不宜食用