noun🔗SharePesticides, antiparasitairesAnything, 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."The farmer used pesticides to kill the insects eating his crops. "L'agriculteur a utilisé des pesticides pour tuer les insectes qui mangeaient ses récoltes.environmentagriculturesciencesubstancebiologychemistryplantinsectorganismChat with AIVocabulary GamePractice Reading