1. the quality of being fusible or convertible from a solid to a liquid state by heat.
  2. the degree to which a substance is fusible.

Origin of fusibility

From the French word fusibilité, dating back to 1615–25. See fusible, -ity
Related formsnon·fu·si·bil·i·ty, nounun·fu·si·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fusibility

Historical Examples of fusibility