nematocide
/nɛməˈtoʊsaɪd/Definitions
1. noun
A chemical compound used to kill or control nematodes, especially in agriculture.
“The farmer used a nematocide to protect his crops from parasitic worms.”
2. verb
To kill or control nematodes using a chemical compound.
“The soil was nematocided to prevent further infestation by parasitic worms.”