prolusion /prə-, prō-looˈzhən or -lūˈ/

1. A preliminary performance, activity or display
2. An essay preparatory to a more solid treatise

• carbon black
• carbon capture and storage
• carbon-copied
• carbon copies
• carbon-copies
• carbon copy
• carbon-copy
• carbon-copying
• carbon credit
• carbon cycle
• carbon cycles
• carbon dating
• carbon dioxide
• ceazed
• ceazes
• ceazing
• cebadilla
• Cebidae
• Cebus
• ceca
• cecal
• Cecidomyia
• cecils
• cecities
• cecitis