Definition of archean aeon
English to English 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
source: WordNet 3.0
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archean aeon, archean eon, archean, archaeozoic aeon, archaean, archeozoic eon, archon, archenemy, archegony, archangel, arcane, archine, archegonium, argean, aragon, arc cosine, arcanum, arcsine, arschin, aricine
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