Word.ws English Dictionary

Eoarchean

/ˌiːəʊ.ɑːˈkiːən/US/ˌiːoʊ.ɑɹˈkiːən/

Eoarchean adjective: of a geologic era within the Archaean eon from about 4600 to 3600 million years ago; the first single-celled life began at this time.

Adjective

Eoarchean (not comparable)

  1. Of a geologic era within the Archaean eon from about 4600 to 3600 million years ago; the first single-celled life began at this time.

Proper noun

Eoarchean

  1. The era from 4,000 Ma to 3,600 Ma.

Forms of Eoarchean

alternative formEoarchaean

Questions about Eoarchean

What does Eoarchean mean?
Eoarchean means of a geologic era within the Archaean eon from about 4600 to 3600 million years ago; the first single-celled life began at this time.
What part of speech is Eoarchean?
Eoarchean can be an adjective or a proper noun.
How do you pronounce Eoarchean?
Eoarchean is pronounced /ˌiːəʊ.ɑːˈkiːən/ (UK).

Words near Eoarchean in the dictionary

  1. eo ipso
  2. eo nomine
  3. eo-
  4. Eo-Oligocene
  5. eoan
  6. Eoarchean
  7. EOB
  8. eobaatarid
  9. eobaatarids
  10. eobiont
  11. eobionts

Source and license

Adapted from Wiktionary: Eoarchean (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-Eoarchean.wav.

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