1) Not fusible 1) Unfusible 
• (v.) Capable of being infused. • (a.) Not fusible; incapble or difficalt of fusion, or of being dissolved or melted.
1. Incapable of being melted or fused. ... 2. Capable of being made into an infusion. ... (05 Mar 2000) ... 
In·fu'si·ble adjective [ From Infuse , v. ] Capable of being infused. « Doctrines being infusible into all.» Hammond. 
Type: Term Pronunciation: in-fyū′zi-bĕl Definitions: 1. Incapable of being melted or fused. 2. Capable of being made into an infusion.
not fusible; incapable of being fused or melted.