Eoarchean

== English == === Alternative forms === Eoarchaean === Pronunciation === (Received Pronunciation) IPA(key): /ˌiːəʊ.ɑːˈkiːən/ (General American) IPA(key): /ˌiːoʊ.ɑɹˈkiːən/ === Adjective === Eoarchean (not comparable) (geology) 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. ==== Translations ==== === Proper noun === Eoarchean (geology) The era from 4,000 Ma to 3,600 Ma. ==== Hypernyms ==== (era 4,000-3,600 Ma): Precambrian - eon/supereon; Archaean - eon ==== Coordinate terms ==== (era 4,000-3,600 Ma): Paleoarchean, Mesoarchean, Neoarchean - era ==== Translations ==== === See also === Appendix:Geologic timescale === Anagrams === Chaeronea, Chæronea