Archean

adjective
Ar·​che·​an | \ är-ˈkē-ən How to pronounce Archean (audio) \
variants: or

Definition of Archean

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

Other Words from Archean

Archean noun

First Known Use of Archean

1872, in the meaning defined at sense 1

History and Etymology for Archean

Greek archaios

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Time Traveler for Archean

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The first known use of Archean was in 1872

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Dictionary Entries Near Archean

arche-

Archean

Archean protaxis

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Statistics for Archean

Cite this Entry

“Archean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Archean. Accessed 5 Dec. 2021.

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More from Merriam-Webster on Archean

Nglish: Translation of Archean for Spanish Speakers

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