1. chemical substances used to kill pests by producing gas or vapor
Usage: plural form of fumigant; commonly used in agriculture and pest control

Examples

• The warehouse was treated with fumigants to eliminate stored grain pests.
• Agricultural fumigants help protect crops from soil-dwelling insects.
• Professional exterminators use specialized fumigants for termite control.
• The shipping containers were sealed and treated with fumigants before transport.
• Safety regulations require proper ventilation when applying fumigants.
• Methyl bromide was once a common fumigant but is now restricted due to environmental concerns.