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 period

Type of: aeon, eon

• neurotransmitter
• Neurotrichus
• Neurotrichus gibbsii
• neurotropic
• neurotropism
• neuter
• neutered
• neutering
• neutral
• neutral spirits
• neutral-colored
• neutral-coloured
• neutralino
• neutralisation
• neutralisation fire
• neutralisation reaction
• neutralise
• neutralised
• neutralism
• neutralist
• neutrality
• neutralization
• neutralization fire
• neutralization reaction
• neutralize