411 REFERENCE · Wiktionary
Eratosthenian
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Pronunciation
en /ˌɛɹətəsˈθiːniən/ /ɛˌɹætəsˈθiːniən/
Proper noun
The epoch in the lunar geologic timescale that occurred between 3200 million and 1100 million years ago.
References
Lunar geologic timescale