eradicant
/ɪˈrædɪkənt/
noun
- A substance or agent used to completely destroy or remove something, especially pests, diseases, or unwanted plants.
- This powerful eradicant is designed to wipe out termite colonies completely.
- The farmer applied an eradicant to kill the fungus infecting the crops.
- Scientists are developing a new eradicant for the invasive species that threatens local wildlife.
Antonyms