noun
insecticide
ihn-SEHK-tih-syd
noun
1
A chemical substance used to kill insects.
"Farmers sprayed insecticide to protect the crop from beetles."
How to Use Insecticide
Learner’s notesIn plain EnglishA pesticide made specifically to kill insects.
Common pairings
spray insecticide
insecticide resistance
Word Forms
insecticides plural
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Farmers sprayed _____ to protect the crop from beetles.
Etymology
From French insecticide — insect plus -icide, "killer of."