Archean

Ar·che·an

adj \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

: precambrian

— Archean noun

Variants of ARCHEAN

Ar·che·an or Ar·chae·an \är-ˈkē-ən\

Origin of ARCHEAN

Greek archaios

First Known Use: 1872

Rhymes with ARCHEAN

Achaean, Actaeon, Aegean, Antaean, Augean, Chaldean, Chilean, Crimean, Cumaean, Fijian, Judaean, Korean, Kuchean, Linnaean, Mandaean, Matthean, Nicaean, plebeian, pygmaean, Tupian