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 (synset 115154172)
Adjective
  1. Of or belonging to earlier of two divisions of the Precambrian era (synset 300817820)
    "archeozoic life forms"

Found on Word Lists

Find words of a similar nature on these lists:

Other Searches