Archean

adjective

Ar·che·an är-ˈkē-ən

variants or Archaean

: of, relating to, or being the earliest eon of geologic history or the corresponding system of rocks see Geologic Time Table

: precambrian

Archean noun

Etymology

Greek archaios

First Known Use

1872, in the meaning defined at sense 1

Time Traveler

The first known use of Archean was in 1872

See more words from the same year

Style

“Archean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Archean. Accessed 29 May. 2023.

Copy Citation

Archean

adjective

Ar·che·an

variants or Archaean

är-ˈke-ən

: of, relating to, or being the earliest eon of geological history or the corresponding system of rocks see geologic time

Archean noun

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