noun
- any chemical that destroys life by poisoning, especially a pesticide, herbicide, or fungicide.
noun
- a chemical, such as a pesticide, capable of killing living organisms
“destruction of living tissue or living species,” 1947, from bio- + -cide.
adj.
- Of or relating to an agent that is destructive to living organisms.
- A chemical agent, such as a pesticide or herbicide, that is capable of destroying living organisms.