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 aeon, Precambrian period

Type of: aeon, eon

• crown imperial
• crown jewel
• crown jewels
• Crown land
• crown lens
• crown monkey
• crown of thorns
• crown prince
• crown princess
• crown roast
• crown saw
• crown vetch
• crown wart
• crown-of-the-field
• crownbeard
• crowned
• crowned head
• crowning
• crownless
• crownwork
• crozier
• CRP
• CRT
• CRT screen
• cru