1. a strong, lightweight material made of glass fibers embedded in plastic resin
Usage: British spelling

1. made of or containing fibreglass
Usage: British spelling

Examples

• The boat’s hull was constructed from fibreglass.
• Fibreglass insulation helps keep homes warm in winter.
• The car’s body panels were made of lightweight fibreglass.
• Workers wore protective gear when handling fibreglass materials.
• The fibreglass roof was both durable and weather-resistant.
• She bought a fibreglass ladder for outdoor use.