fusibility
/fjuːˈsɪlɪtɪ/; /fjuːˈsɪbɪlɪti/; /fjuːˈsɪbɪlɪtɪ/ (for US)
Definitions
1. noun
The quality or state of being fusible or capable of being melted or joined by fusion; the extent to which a substance can be melted or joined by fusion.
“The high fusibility of the metal alloy made it ideal for use in high-temperature applications.”