Insecticide vs. Pesticide

Insecticidenoun

A substance used to kill insects.

Insecticidenoun

An agent or preparation for destroying insects; an insect powder or spray.

Insecticidenoun

a chemical used to kill insects

Insecticide

Insecticides are substances used to kill insects. They include ovicides and larvicides used against insect eggs and larvae, respectively.

Pesticidenoun

Anything, especially a synthetic substance but also any substance (e.g. sulfur), or virus, bacterium, or other organism, which kills or suppresses the activities of pests.

Pesticidenoun

a chemical used to kill pests (as rodents or insects)

Pesticide

Pesticides are substances that are meant to control pests. The term pesticide includes all of the following: herbicide, insecticides (which may include insect growth regulators, termiticides, etc.) nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insect repellent, animal repellent, antimicrobial, and fungicide.