1. a chemical substance used to kill pests by producing gas or vapor

Examples

• The warehouse was treated with a fumigant to eliminate insects.
• Methyl bromide is a common fumigant used in agriculture.
• The fumigant was applied to the soil before planting.
• Workers must wear protective gear when handling fumigants.
• The grain storage facility uses fumigants to prevent pest damage.
• Environmental regulations restrict certain fumigants due to health concerns.