From Longman Dictionary of Contemporary Englishpesticidepes‧ti‧cide /ˈpestɪsaɪd/ ●○○ noun [countable, uncountable] HCTAa chemical substance used to kill insects and small animals that destroy crops → herbicide
Examples from the Corpus
pesticide• Del Norte County pesticide storage area near Crescent City.• More research is needed to optimise the size of droplets and their charge-to-mass ratio for different pesticides and targets.• Attempts will be made to reduce pesticide use in water catchment areas.• By 7am his eyes will be weeping and raw from the sulphurous pesticides in the soil.• So, what exactly is going on in the pesticide world to reduce me to such grovelling gratitude?• We never use pesticides or insecticides and this is the wonderful result.• And many pests have developed resistance to the most commonly used pesticides.• Avoid spraying your plants with pesticides, grow plants that encourage beneficial insects such as carrots, parsley, parsnips and nettles. 