Meanings
archaean1
Archaean2
alternative Archean · alternative archaic Archæan
- not comparablehuman sciencesOf or relating to Arche, the Muse of beginnings in Greek mythology.
- not comparablegeographyOf, 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.
2006 March 25, NewScientist, page 12/1 - not comparable"Archean" onlyastronomyOf or relating to the irregular Jovian moon named for Arche.
Synonyms & antonyms
adjectiveof or relating to the earliest known rocks formed during the Precambrian Eon
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Archaean · adjective, proper noun
- Latinarchaeus
- Ancient Greekἀρχαῖος“ancient”
- EnglishArchaean
From Ancient Greek ἀρχαῖος (arkhaîos, “ancient”) (likely via Latin archaeus) + -an.
More words from Ancient Greek, Latin
Full word history & related roots →Translations
Catalan arqueà, arqueà
- arqueàof eon from 3,800 to 2,500 million years ago
- arqueàArchaean eon
Chinese Mandarin 太古代的, 太古代
- 太古代的 (Tàigǔdài de)of eon from 3,800 to 2,500 million years ago
- 太古代 (Tàigǔdài)Archaean eon
Czech prahory, archaikum
- prahoryArchaean eon
- archaikumArchaean eon
Danish arkeisk
- arkeiskof eon from 3,800 to 2,500 million years ago
Dutch archeïcum, archaïcum
- archeïcumArchaean eon
- archaïcumArchaean eon
Estonian arhaikum, ürgaegkond
- arhaikumArchaean eon
- ürgaegkondArchaean eon
- ürgeoonArchaean eon
Finnish arkeeinen, arkeeinen aioni
- arkeeinenof eon from 3,800 to 2,500 million years ago
- arkeeinen aioniArchaean eon
French archéen, Archéen
- archéenof eon from 3,800 to 2,500 million years ago
- ArchéenArchaean eon
Greek αρχαιοζωικός, Αρχαιοζωικός
- αρχαιοζωικός (archaiozoïkós)of eon from 3,800 to 2,500 million years ago
- Αρχαιοζωικός (Archaiozoïkós)Archaean eon
Hungarian archaikum
- archaikumArchaean eon
Irish Aircéach
- Aircéachof eon from 3,800 to 2,500 million years ago
Italian archeano
- archeanoof eon from 3,800 to 2,500 million years ago
Norwegian arkeikum
- arkeikumArchaean eon
Norwegian Bokmål arkeisk
- arkeiskof eon from 3,800 to 2,500 million years ago
Polish archaik
- archaikArchaean eon
Portuguese arqueano, Arqueano
- arqueanoof eon from 3,800 to 2,500 million years ago
- ArqueanoArchaean eon
Russian архе́йский, архе́й
- архе́йский (arxéjskij)of eon from 3,800 to 2,500 million years ago
- архе́й (arxéj)Archaean eon
Spanish arcaico, Arcaico
- arcaicoof eon from 3,800 to 2,500 million years ago
- ArcaicoArchaean eon
Swedish arkeisk, arkeikum
- arkeiskof eon from 3,800 to 2,500 million years ago
- arkeikumArchaean eon
Rhymes & wordplay
Rhymes with archaean
Cite this entry
archaean. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/archaean
“archaean.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/archaean. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “archaean,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/archaean.
Source: archaean on Wiktionary, CC BY-SA 4.0.