Eoarcheanとは 意味・読み方・使い方

発音

• (Received 発音) IPA^(key): /ˌiːəʊ.ɑːˈkiːən/
• (General American) IPA^(key): /ˌiːoʊ.ɑɹˈkiːən/

形容詞

Eoarchean (not comparable)

1. (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.

固有名詞

Eoarchean

1. (geology) The era from 4,000 Ma to 3,600 Ma.

上位語

• (era 4,000-3,600 Ma): Precambrian - eon/supereon; Archaean - eon

等位語

• (era 4,000-3,600 Ma): Paleoarchean, Mesoarchean, Neoarchean - era

参考

• Appendix:Geologic timescale

アナグラム

• Chaeronea, Chæronea