archeozoic
1. [ adjective ] (geology) formed in the earlier of two divisions of the Precambrian era
Synonyms: archaeozoic
Examples:

"archeozoic life forms"

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