infusible /in-fūˈzi-bl/

1. That cannot be fused
2. Having a high melting point

• hellbenders
• hell-bent
• hell-black
• hell-born
• hell-box
• hell-boxes
• hell-bred
• hell-broth
• hell-broths
• hellcat
• melanotropins
• melanous
• melanterite
• melanterites
• melanuria
• melanurias
• melanuric
• melaphyre
• melaphyres
• melas
• Melastomaceae
• melastomaceous
• melatonin
• melatonins
• melba