noun[mass noun] Chemistry
A highly toxic protein obtained from the pressed seeds of the castor oil plant.
More example sentences
- There was a previous radiation study of ricin, a dimeric molecule linked by a single disulfide bridge.
- Signs and symptoms of ricin poisoning depend on whether a person inhales or ingests ricin.
- Studies have been performed on ricin as a possible anticancer agent.
Definition of ricin in:
- The US English dictionary