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 eon, Precambrian aeon, Precambrian period

Type of: aeon, eon

Encyclopedia: Precambrian

• en garde
• en masse
• en passant
• en route
• en suite
• En-lil
• enable
• enablement
• enabler
• enabling
• enabling act
• enabling clause
• enabling legislation
• enact
• enactment
• enactor
• enalapril
• enallage
• enamel
• enamelware
• enamine
• enamor
• enamored
• enamoredness
• enamour