殺虫剤
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Meanings
1
insecticide; pesticide
General term for chemical agents used to kill insects and other pests; used in household, agricultural, and public health contexts.
A cockroach appeared, so I bought some insecticide.
Farmers use pesticides to protect their crops.
Usage patterns
- 〈虫〉に殺虫剤をかけるto spray insecticide on an insect
I sprayed insecticide on the cockroach.
- 〈場所〉に殺虫剤をまくto scatter/spray insecticide in a place
I sprayed insecticide around the garden.
- 殺虫剤の効果が切れるfor the effect of an insecticide to wear off
The insecticide's effect wore off and the bugs came back.