Insecticide is a type of chemical used to kill insects, like those that have infested a house or a farmer's crops.

Words that end in -cide usually have to do with killing, such as genocide, suicide, and patricide. Another is insecticide, which is a word for a substance that kills insects and bugs. Insecticide is a type of chemical, and it often consists of a powder or gas. If your house is full of bedbugs or cockroaches, you need insecticide. Farmers sometimes use insecticides to keep insects from destroying crops. If you're a bug, insecticide is bad news.

Definitions of insecticide

n a chemical used to kill insects

insect powder
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made of dried flower heads of pyrethrum plants
DDT, dichlorodiphenyltrichloroethane
an insecticide that is also toxic to animals and humans; banned in the United States since 1972
an insecticide that kills the larvae of insects
lead arsenate
a poisonous white solid (Pb3[AsO4]2) used as an insecticide
a white crystalline powder used as an agricultural insecticide
a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
an insecticide that interferes with an insect's nervous system
a colorless and odorless toxic oil used as an insecticide
Paris green
a toxic double salt of copper arsenate and copper acetate
a white crystalline insecticide that has low toxicity for mammals; is used in home gardens; extracted from the roots of derris and cube
a common organophosphate insecticide
a preparation of lindane (trade name Kwell) that is used to kill lice and itch mites; available in cream or shampoo
Type of:
a chemical used to kill pests (as rodents or insects)

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