infusible /in-fūˈzi-bl/

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

• birring
• birrs
• birse
• birses
• birsier
• birsiest
• birsle
• birsled
• birsles
• birsling
• birsy
• birth
• birth certificate
• birth certificates
• birth control
• birth controls
• birthday
• birthday-book
• birthday-books
• birthday honours
• birthdays
• birthday suit
• birthday suits
• birthdom
• birthdoms