1. A radioactive transuranic element; discovered by bombarding curium with alpha particles
   - californium, Cf

Type of: metal, metallic element

• flexibleness
• flexibly
• flexile
• flexion
• flexitime
• flexor
• flexor muscle
• flextime
• flexuous
• flexure
• flibbertigibbet
• flick
• flick-knife
• flicker
• flickering
• flickertail
• flier
• flies
• flight
• flight attendant
• flight control
• flight deck
• flight engineer
• flight feather
• flight indicator