1. A radioactive transuranic element; discovered by bombarding americium with helium
   - berkelium, Bk

Type of: metal, metallic element

• copesetic
• copesettic
• copestone
• copier
• copilot
• coping
• coping saw
• coping stone
• copious
• copiously
• copiousness
• coplanar
• Copland
• Copley
• copolymer
• copolymerise
• copolymerize
• copper
• copper beech
• copper color
• copper colored
• copper colour
• copper coloured
• copper glance
• copper mine