archean : Idioms & Phrases
Index
archean aeon
-
noun the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Archeozoic eon; Archean aeon; Archaeozoic aeon; Archaeozoic; Archean; Archeozoic.
WordNet
archean eon
-
noun the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Archeozoic eon; Archean aeon; Archaeozoic aeon; Archaeozoic; Archean; Archeozoic.