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2 ENTRIES FOUND:

Archean

adjective Ar·che·an \är-ˈkē-ən\

Definition of ARCHEAN

1
:  of, relating to, or being the earliest eon of geological history or the corresponding system of rocks — see geologic time table
2
Archean noun

Variants of ARCHEAN

Ar·che·an or Ar·chae·an \är-ˈkē-ən\

Origin of ARCHEAN

Greek archaios
First Known Use: 1872

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