Meaning of ARCHEAN
| Pronunciation: | | âr'keeun
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 WordNet Dictionary |
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- [n] the time prior to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
- [adj] (geology) used of the earliest known rocks
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ARCHEAN is a 7 letter word that starts with A. |
| | Synonyms: | | archaean, Archaeozoic, Archaeozoic era, Archean era, Archeozoic, Archeozoic era, early |
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| | See Also: | | era, geological era, Precambrian, Precambrian period | |
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