Ricin (noun)

1. A toxic protein that is found in the seeds of the castor oil plant (Ricinus communis).
2. A highly toxic substance that can cause severe symptoms if ingested, inhaled, or injected.

Origin:

From the latin name ricinus communis, the castor oil plant.

Examples:

1. Ricin is a dangerous poison that can be used as a bioweapon.
2. Ricin can cause severe symptoms such as vomiting, seizures, and even death if ingested.
3. Ricin exposure can be treated with supportive care and may require hospitalization.
4. Ricin is a potential agent for bioterrorism.
5. Ricin is a toxic protein that is found in the seeds of the castor oil plant.