noun

insecticide

insecticide

Farmers spray insecticide on their crops.

Farmers spray insecticide on their crops.

This insecticide is harmful to bees.

This insecticide is harmful to bees.

((an)) insecticide a substance for killing insects They used a powerful insecticide.

Synonyms: pest killer, bug spray

From Latin 'insectum' (insect) + '-cide' (killer), from 'caedere' (to kill).

Think of 'insect' plus '-cide', which means 'to kill'. So, it's something that kills insects.

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