1. Capable of undergoing nuclear fission
   - fissionable 
2. Capable of being split or cleft or divided in the direction of the grain
   "fissile crystals"; "fissile wood"

Antonym: nonfissile

Encyclopedia: Fissile

• air conditioning
• Air Corps
• air cover
• air current
• air cushion
• air defence
• air defense
• air division
• air duct
• air embolism
• air filter
• air force academy
• Air Force Intelligence Surveillance and Reconnaissance
• Air Force ISR
• air force officer
• Air Force Research Laboratory
• Air Force Space Command
• air gas
• air group
• air guitar
• air hammer
• air hole
• air horn
• air hose
• air hostess