Definition

Noun: A type of brick manufactured from fire clay, a material highly resistant to high temperatures. Its primary function is to line and protect structures exposed to intense heat, such as industrial furnaces, kilns, and chimneys.

Usage

The word "firebrick" is a countable noun. It refers to the individual bricks or the material as a whole when used in construction. * The furnace interior is constructed from firebrick to withstand the extreme temperatures. * We need to order fifty more firebricks to complete the kiln's lining.

Examples

• The old chimney needed to be repointed with new firebrick.
• Firebrick is essential for safety in any metal foundry.
• He carefully laid each firebrick to ensure a tight seal against the heat.

Advanced Usage

• Technical Specification: In engineering contexts, "firebrick" may be classified by its alumina-silica composition and maximum service temperature (e.g., high-alumina firebrick).
• As a Material vs. an Object: While typically referring to the brick unit, "firebrick" can also denote the refractory material category in bulk.

Variants and Related Words

• Refractory brick: A more technical synonym for firebrick, emphasizing its heat-resistant properties.
• Fire clay: The raw material from which firebricks are made.
• Lining (n.): The protective layer created by installing firebricks (e.g., "a firebrick lining").

Synonyms

• Refractory brick
• Furnace brick
• Heat-resistant brick

Antonyms

• Common brick or building brick: Standard bricks not designed for high-heat applications.

Related Phrases/Compounds

• Firebrick lining: The installed layer of firebricks inside a structure.
• Firebrick mortar: A special heat-resistant mortar used to lay firebricks.

Noun

1. brick made of fire clay; used for lining e.g. furnaces and chimneys