1. The period from about 540 million years ago until the present
   - Phanerozoic eon, Phanerozoic aeon

Type of: aeon, eon

Encyclopedia: Phanerozoic

• nonsteroidal anti-inflammatory drug
• nonstick
• nonstop
• nonstop flight
• nonstructural
• nonsubjective
• nonsubmergible
• nonsubmersible
• nonsuch
• nonsuit
• nonsuppurative
• nonsurgical
• nonsweet
• nonsyllabic
• nonsymbiotic
• nonsynchronous
• nonsynthetic
• nontaxable
• nontechnical
• nontelescopic
• nontelescoping
• nonterritorial
• nontextual matter
• nonthermal
• nonthrombocytopenic purpura