nematocide
/nɪˈmætəˌsaɪd/
noun
- A substance used to kill nematodes (tiny worm-like pests that damage plants).
- This organic nematocide is safe for use around pets and children.
- Farmers often apply a nematocide to protect their crops from root damage.
- The gardener used a nematocide to treat the soil before planting tomatoes.