Akademik

Phanerozoic eon

noun

the period from about 5,400 million years ago until the present

• Syn: ↑Phanerozoic, ↑Phanerozoic aeon

• Instance Hypernyms: ↑eon, ↑aeon

• Part Meronyms: ↑Cenozoic, ↑Cenozoic era, ↑Age of Mammals

Useful english dictionary. 2012.