insecticide in·sec·ti·cide (ĭn-sěk'tĭ-sīd')
n.
A chemical substance that kills insects.
| insecticide (ĭn-sěk'tĭ-sīd') Pronunciation Key
A pesticide used to kill insects. Chlordane and DDT are insecticides. Compare fungicide, herbicide, rodenticide. |