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.
- synonyms: Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). archaeozoic aeon. Retrieved September 21, 2026, from http://smartdefine.org/archaeozoic_aeon/definitions/1326378 |
| Chicago | WordNet. 2010. "archaeozoic aeon" http://smartdefine.org/archaeozoic_aeon/definitions/1326378 (accessed September 21, 2026). |
| Harvard | WordNet 2010, archaeozoic aeon, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/archaeozoic_aeon/definitions/1326378>. |
| MLA | WordNet. "archaeozoic aeon" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/archaeozoic_aeon/definitions/1326378> |