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

• Eratosthenes
• Erb's palsy
• Erb-Duchenne paralysis
• erbium
• Ercilla
• erd
• ere
• Erebus
• Erechtites hieracifolia
• erect
• erect bugle
• erectable
• erectile
• erectile dysfunction
• erectile organ
• erectile tissue
• erecting
• erecting prism
• erection
• erectly
• erectness
• erector
• erelong
• eremite
• eremitic