You searched for: “most infusible
infusible (adjective), more infusible, most infusible
1. Incapable of fusion or melting (Latin in-, "not" + fusio, "fusion").
2. Capable of being made into an infusion (Latin in, "into" + fundere, "to pour").
This entry is located in the following unit: fus-, fun-, fund-, fut-, found- (page 5)