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

• cell nucleus
• cell organ
• cell organelle
• cell theory
• cell wall
• cell-free
• cell-like
• cell-mediated immune response
• cella
• cellar
• cellarage
• cellaret
• cellblock
• celled
• Cellini
• cellist
• cellmate
• cello
• cellophane
• cellphone
• cellular
• cellular division
• cellular inclusion
• cellular phone
• cellular respiration