archaeozoic meaning and definition

ARCHAEOZOIC noun

Definition of Archaeozoic (noun)

1. 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: Archaeozoic aeon, Archean, Archean aeon, Archean eon, Archeozoic, Archeozoic eon

ARCHAEOZOIC adjective

Definition of archaeozoic (adjective)

1. of or belonging to earlier of two divisions of the Precambrian era
   • "archeozoic life forms"
   • synonyms: archeozoic