WordReference Random House Unabridged Dictionary of American English © 2026
pro•pox•ur
(prō pok′sər),USA pronunciation n. [Chem.]
- Botany, Chemistry, Pest Controla crystalline compound, C11H15NO3, used as a nonsystemic insecticide against a wide variety of insects.
- prop(yl) + ox(y)-2 + ur(ethane) 1960–65