archaean
English
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Archaean¹
- /ɑːˈkiːən/ UK
- /ɑɹˈkiːən/ US
Rhymes with -iən
Where it comes from
From Ancient Greek ἀρχαῖος (arkhaîos, “ancient”) (likely via Latin archaeus) + -an.
adjective Archean · Archæan
- Of or relating to Arche, the Muse of beginnings in Greek mythology.
- Of, or relating to the geologic eon from about 4,031 to 2,500 million years ago; comprises the Eoarchean, Paleoarchean, Mesoarchean and Neoarchean eras; marked by an atmosphere with little oxygen, the formation of the first continents and oceans and the emergence of simple life. The oldest vestiges of continental crust, which date from the Archaean aeon about 4 billion years ago, are in Acasta in north-west Canada.
- Of or relating to the irregular Jovian moon named for Arche.
proper noun Archean · Archæan
- The eon from 2,500 Ma to 4,000 Ma.
archaean²
Where it comes from
Archaea + -n
noun archaeans
- Any organism of the domain Archaea.
Translations
Every language
adj of eon from 3,800 to 2,500 million years ago
| Español | arcaico |
|---|---|
| 中文 | 太古代的 Tàigǔdài de |
| Português | arqueano |
| Français | archéen |
| Italiano | archeano |
| Ελληνικά | αρχαιοζωικός archaiozoïkós |
| Русский | архе́йский arxéjskij |
Talk about this word "archaean." Wiktionary, via Micwyn, micwyn.com/word/archaean. Accessed 6 Nov. 2026. archaean. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/archaean "archaean." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/archaean.Cite this
@misc{archaean_2026,
title = {archaean},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/archaean},
urldate = {2026-11-06}
}
