Archaean — synonyms, definition
1. Archaean (Adjective)
1 synonym
Archean
1 definition
Archaean (Adjective) — (geology) of or relating to the earliest known rocks formed during the Precambrian Eon.
2. Archaean (Noun)
6 synonyms
Archaeozoic Archaeozoic aeon Archean aeon Archean eon Archeozoic Archeozoic eon
1 definition
Archaean (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.
2 types of
aeon eon
4 parts of
Precambrian Precambrian aeon Precambrian eon Precambrian period