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Added 10 October 2026

archaeozoic

noun

noun Definition from WordNet 3.1, Princeton University. More about archaeozoic at Wordnik → Where our words come from →

The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life.

adjective

Of or belonging to earlier of two divisions of the Precambrian era.
archeozoic life forms

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