noun
- Plural of mullite; a hard, refractory mineral composed of aluminum silicate, used in ceramics and high-temperature applications.
Usage: technical; materials science
Examples
- Mullites are valued in the production of advanced ceramics.
- The kiln was lined with mullites to withstand extreme temperatures.
- Engineers selected mullites for their superior heat resistance.
- Mullites form when alumina and silica are heated together.
- The refractory bricks contained mullites as a key component.