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

• sulphur hexafluoride
• sulphur mine
• sulphur mustard
• sulphur oxide
• sulphur paintbrush
• sulphur-crested cockatoo
• sulphur-yellow
• sulphureous
• sulphurette
• sulphuretted
• sulphuric
• sulphuric acid
• sulphurised
• sulphurous
• sulphury
• sultan
• Sultan of Swat
• sultana
• sultanate
• Sultanate of Oman
• sultrily
• sultriness
• sultry
• sum
• sum of money