Archaean
Hello, you have come here looking for the meaning of the word Archaean. In DICTIOUS you will not only get to know all the dictionary meanings for the word Archaean, but we will also tell you about its etymology, its characteristics and you will know how to say Archaean in singular and plural. Everything you need to know about the word Archaean you have here. The definition of the word Archaean will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofArchaean, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Alternative forms
Etymology
From Ancient Greek ἀρχαῖα (arkhaîa, “ancient”), neuter plural of ἀρχαῖος (arkhaîos, “ancient”).
Pronunciation
- (Received Pronunciation) IPA(key): /ɑːˈkiːən/
Audio (Southern England): (file) - (General American) IPA(key): /ɑɹˈkiːən/
- Rhymes: -iən
Adjective
Archaean (not comparable)
- (mythology) Of or relating to Arche, the Muse of beginnings in Greek mythology.
- (geology) Of, or relating to the geologic eon from about 3,800 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.
- 2006 March 25, NewScientist, page 12/1:
- The oldest vestiges of continental crust, which date from the Archaean aeon about 4 billion years ago, are in Acasta in north-west Canada.
- (astronomy, "Archean" only) Of or relating to the irregular Jovian moon named for Arche.
Translations
of eon from 3,800 to 2,500 million years ago
Proper noun
Archaean
Hypernyms
- (eon 2,500–4,000 Ma): Precambrian
Hyponyms
- (eon 2,500–4,000 Ma): Eoarchaean, Paleoarchaean, Mesoarchaean, Neoarchaean
Coordinate terms
- (eon 2,500–4,000 Ma): Hadean, Proterozoic - eons in Precambrian
Translations
Archaean eon
|
