1. The eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
   - Precambrian, Precambrian eon, Precambrian aeon

Type of: aeon, eon

• centrifugal pump
• centrifugate
• centrifugation
• centrifuge
• centring
• centriole
• centripetal
• centripetal acceleration
• centripetal force
• Centriscidae
• centrism
• centrist
• Centrocercus
• Centrocercus urophasianus
• centroid
• centroidal
• Centrolobium
• Centrolobium robustum
• centromere
• centromeric
• Centropistes striata
• Centropomidae
• Centropomus
• Centropristis
• Centropristis philadelphica