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Archaeozoic used in a sentence
Archaeozoic definitions
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
See also: Archean Archeozoic Archaeozoic
adjective
of or belonging to earlier of two divisions of the Precambrian era; "archeozoic life forms"
See also: archeozoic