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

• quarreler
• quarreling
• quarreller
• quarrelling
• quarrelsome
• quarrelsomeness
• quarrier
• quarry
• quarrying
• quarryman
• quart
• quartan
• quarte
• quarter
• quarter crack
• quarter day
• quarter horse
• quarter mile
• quarter note
• quarter plate
• quarter pound
• quarter rest
• quarter round
• quarter section
• quarter sessions