Found 1 items, similar to Archeozoic eon.
English → English (WordNet) Definition: Archeozoic eon Archeozoic eon n : the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life [syn: Archean, Archean eon, Archean aeon , Archeozoic, Archaeozoic, Archaeozoic aeon]