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

• Passion of Christ
• Passion play
• Passion Sunday
• Passion Week
• passional
• passionate
• passionately
• passionateness
• passionflower
• passionflower family
• passionflower vine
• passionless
• Passiontide
• passivate
• passive
• passive air defense
• passive immunity
• passive matrix display
• passive resistance
• passive resister
• passive source
• passive transport
• passive trust
• passive voice
• passively