archaeozoic Meaning, Definition & Usage

  1. 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
    Archeozoic eon; Archean aeon; Archean eon; Archaeozoic aeon; Archean; Archeozoic.
  2. adjective satellite of or belonging to earlier of two divisions of the Precambrian era
    archeozoic.
    • archeozoic life forms

WordNet

Ar`chæ*o*zo"ic adjective (Also<
  • Archaeozoic
  • Archæozoic
)
Etymology
Gr. ancient + animal.
Definitions
  1. (Zoöl.) Like or belonging to the earliest forms of animal life.

Webster 1913