castor oil plant; its seeds are used for industrial lubricant and medicine, and its fibers can be used to make rope or paper

A refined vegetable oil extracted from the seeds of the [[蓖麻|蓖麻|bi4 ma2]] plant, used in soaps, lubricants, and as a laxative.

the seed of the castor oil plant, used in traditional medicine and for industrial oil production

ricin; a highly toxic protein derived from the seeds of the castor oil plant

ricin, a highly toxic protein found in castor beans

the seeds of the castor oil plant, used to produce castor oil

The larva of a moth that feeds on castor oil plant leaves, its silk is used as a material for textiles.