1. a substance or agent that kills larvae, especially insect larvae
Usage: commonly used in pest control and public health contexts

Examples

• The health department sprayed larvicide in the swamp to control mosquito populations.
• Farmers use larvicide to protect their crops from destructive insect larvae.
• The new larvicide is effective against both mosquito and fly larvae.
• Environmental officials applied larvicide to the pond to reduce disease-carrying insects.
• This larvicide breaks down quickly in water, making it safer for aquatic ecosystems.