 archeozoic |
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| 1. | [ adjective ] (geology) formed in the earlier of two divisions of the Precambrian era | |
| Synonyms: | archaeozoic | |
| Examples: | "archeozoic life forms" |
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| Related terms: | geology early | |
| 2. | [ noun ] (geology) the time prior to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life | |
| Synonyms: | archaeozoic_era archean archean_era archeozoic_era archaeozoic | |
| Related terms: | era Precambrian | |
| 3. | [ noun ] (geology) the time from 1.5 billion to 5 billion years ago; earth's crust formed; unicellular organisms are earliest forms of life | |
| Synonyms: | Archeozoic_era Archaeozoic_era archaeozoic_aeon archean archean_aeon archean_eon archeozoic_eon Archaeozoic | |
| Related terms: | eon era Precambrian | |
| Similar spelling: |
Archaeozoic archegonium archegonial archesporium archesporial archegoniate archespore archaic |
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