Synonyms for archean

Noun

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

usage: the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life

Adjective

1. archean, archaean, early (vs. middle) (vs. late)

usage: used of the earliest known rocks