1. a person or device that impregnates something, especially a substance or material
Usage: technical; often used in industrial or manufacturing contexts
2. a substance used to impregnate or saturate another material
Usage: technical

Examples

• The factory installed a new impregnator to treat the fabric with water-resistant coating.
• The wood impregnator penetrated deep into the grain to prevent rot.
• Engineers designed an impregnator that could evenly distribute the chemical throughout the composite material.
• The textile impregnator ensures uniform saturation of the dye across all fibers.
• Modern impregnators use vacuum pressure to achieve better penetration of protective compounds.