1. plural of fusibility; the quality or state of being fusible; the capacity to be melted or fused.
Usage: technical; usually used in plural form

Examples

• The fusibilities of different metals vary widely depending on their composition.
• Engineers must consider the fusibilities of materials when designing high-temperature equipment.
• The fusibilities of these alloys make them suitable for welding applications.
• Scientists tested the fusibilities of various polymers to determine their thermal limits.
• The relative fusibilities of the two substances determined which would be used as the binding agent.