fissile /fisˈīl or -il/

1. Readily split
2. Capable of nuclear fission

fissility /-ilˈ/ noun

Ability to be split

• work-hardened
• work-hardening
• work-hardens
• workhorse
• workhorses
• workhouse
• workhouses
• work in
• work-in
• working
• working-beam
• working-beams
• working breakfast
• working breakfasts
• working capital
• working class
• working-class
• working classes
• working day
• working-day
• working days
• working drawing
• working drawings
• working edge
• working edges