noun
- Plural of kryolite; a mineral form of sodium aluminum fluoride, used in the production of aluminum and as a flux in welding.
Usage: technical; also spelled cryolite
Examples
- Kryolites are essential minerals in the aluminum smelting industry.
- The ore deposits contained significant quantities of kryolites.
- Synthetic kryolites are now manufactured to supplement natural supplies.
- Kryolites lower the melting point of aluminum oxide in the Hall-Héroult process.