aphicidal

adjective

aphi·​cid·​al

¦āfə¦sīdᵊl also ¦af-

: toxic to or used for killing aphids

Word History

Etymology

aphid + -cidal

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now