English Explanatory Dictionary

Archaean

English dictionary entry

Meanings

adj
  1. Of or relating to Arche, the Muse of beginnings in Greek mythology.
  2. 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.
  3. Of or relating to the irregular Jovian moon named for Arche.
name
  1. The eon from 2,500 Ma to 4,000 Ma.
noun
  1. Any organism of the domain Archaea.

Pronunciation

/ɑːˈkiːən/ LL-Q1860 (eng)-Vealhurl-Archaean.wav /ɑɹˈkiːən/

Word forms

Archaean Archean Archæan archaeans

Etymology

From Ancient Greek ἀρχαῖα (arkhaîa, “ancient”), neuter plural of ἀρχαῖος (arkhaîos, “ancient”).

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on A Russian dictionary Dahl dictionary