chloropicrin
/ˌklɔrəˈpɪkrɪn/
noun
- A poisonous, colorless liquid used as a pesticide and fumigant, and also used in chemical weapons.
- Chloropicrin has a strong, irritating smell that makes people cough.
- During World War I, chloropicrin was used as a tear gas.
- Farmers used chloropicrin to kill pests in the soil before planting.