Definition

A type of hard rock or mixture used to line furnaces, made from quartz and clay, which can withstand high temperatures.

Example

The workers used ganister to line the furnace for better heat retention.

Conversation

Did you know that ganister is used to line furnaces?

Really? I had no idea what it was used for.

Yeah, it's a fine-grained quartzite that helps with heat resistance.

That sounds interesting! I should look it up sometime.

Synonyms & Antonyms

Root Explanation

Ganister is derived from the Old English word 'ganist' (meaning a type of stone or flint). The term refers specifically to a type of siliceous rock used in the production of refractory materials.

Memory Tip

Think of 'ganist' as a specific type of stone, which helps you remember that 'ganister' refers to a stone used in making heat-resistant materials.

Visually Confused Words