Archean

- See Also:
- - archaism
  - archaize
  - archangel
  - archbishop
  - archbishopric
  - archdeacon
  - archdeaconry
  - archdiocese
  - archduchess
  - archduke
  - Archean
  - archegonium
  - archeology
  - archer
  - archerfish
  - archery
  - archetype
  - archidiaconal
  - archiepiscopal
  - archil
  - archimandrite
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Multiple Entries:
Archean Archaean

Concise Oxford English Dictionary © 2008 Oxford University Press:
Archean

▶adjective US spelling of Archaean.

Concise Oxford English Dictionary © 2008 Oxford University Press:
Archaean /ɑːˈkiːən/ (US Archean)

▶adjective Geology relating to or denoting the earlier part of the Precambrian aeon (before about 2,500 million years ago), in which there was no life on the earth.

– origin C19: from Gk arkhaios ‘ancient’ + -an.

'Archean' also found in these Oxford entries:

Archaean

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Archean