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

• bill of health
• bill of indictment
• bill of lading
• bill of Particulars
• bill of review
• Bill of Rights
• bill of sale
• bill poster
• Bill Russell
• bill sticker
• bill-me order
• billable
• billabong
• billboard
• billed
• billet
• billet doux
• billfish
• billfold
• billhook
• billiard
• billiard ball
• billiard hall
• billiard marker
• billiard parlor