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

• wild card
• wild carrot
• wild cavy
• wild celery
• wild chamomile
• wild cherry
• lunatic
• lunatic asylum
• lunatic fringe
• lunation
• lunch
• lunch box
• lunch meat
• lunch meeting
• lunch period
• luncheon
• luncheon meat
• luncheon meeting
• luncheon voucher
• luncheonette
• luncher
• lunching
• lunchroom
• lunchtime
• Lund