1. a substance or agent used to rid something of pests or parasites

1. serving to eliminate or control pests or parasites

Examples

• The farmer applied a disinfestant to the crops to control the aphid population.
• Disinfestant sprays are commonly used in warehouses to prevent insect infestations.
• The veterinarian recommended a disinfestant treatment for the dog's flea problem.
• This disinfestant powder is effective against bedbugs and dust mites.
• The building underwent disinfestant fumigation before the new tenants moved in.