1. Plural of firebrick; heat-resistant bricks made from refractory clay or other materials, used to line furnaces, fireplaces, and kilns.
Usage: Typically used in industrial and construction contexts.; Often refers to the plural form in practical applications.

Examples

• The furnace was lined with firebricks to withstand extreme temperatures.
• Firebricks are essential components in industrial kilns and ovens.
• The mason carefully laid firebricks around the fireplace opening.
• These firebricks can endure temperatures above 3,000 degrees Fahrenheit.
• The old stove required replacement firebricks after years of use.
• Firebricks are more durable than standard clay bricks in high-heat applications.