1. the quality or state of being unable to be melted or fused
Usage: technical; chemistry

Examples

• The infusibility of platinum makes it valuable for high-temperature applications.
• Scientists studied the infusibility of various ceramic materials.
• The metal’s infusibility at normal temperatures posed manufacturing challenges.
• Researchers tested the infusibility of the new alloy under extreme heat.
• The infusibility of certain compounds is crucial in industrial processes.
• Engineers relied on the infusibility of the material for the furnace lining.