permethrin
/pərˈmɛθrɪn/
noun
- A synthetic chemical used to kill insects, often found in insect repellents, sprays, and treatments for clothing or crops.
- The mosquito net was treated with permethrin for extra protection.
- Farmers sometimes use permethrin to protect their crops from pests.
- We sprayed permethrin on our hiking clothes to keep ticks away.