Eratosthenian
English
Pronunciation
- IPA(key): /ˌɛɹətəsˈθiːniən/, /ɛˌɹætəsˈθiːniən/
Proper noun
Eratosthenian
- The epoch in the lunar geologic timescale that occurred between 3200 million and 1100 million years ago.
References
- Lunar geologic timescale on Wikipedia.Wikipedia