Hadean
adjective
- earliest eon of the Precambrian; from the formation of Earth to 4,031 million years ago
Wiktionary
Pronunciation: /heɪˈdiːən/ / /ˈheɪ.diːən/
adj
Etymology: From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.
- Pertaining to Hades or hell.
“No Ceres weeps at the Hadean gate!”
- Of or relating to the Hadean geological eon.
name
Etymology: From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.
- The Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.