Hadean
/heɪˈdiːən/
Hadean proper noun: the Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.
Proper noun
Hadean
- The Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.
Adjective
Hadean (not comparable)
- Pertaining to Hades or hell.
- No Ceres weeps at the Hadean gate!1902, Frederic Crowninshield, A Painter's Moods, page 49
- Synonyms:
- Plutonian, Plutonic, Tartarean, Acherontic, infernal, hellish, helly, stygian, subtartarean
- Of or relating to the Hadean geological eon.
Synonyms of Hadean
Forms of Hadean
| alternative form | Hadaean |
|---|
Origin of Hadean
From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.
Phrases with Hadean
Words that rhyme with Hadean
Questions about Hadean
- What does Hadean mean?
- Hadean means the Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.
- What part of speech is Hadean?
- Hadean can be a proper noun or an adjective.
- How do you pronounce Hadean?
- Hadean is pronounced /heɪˈdiːən/.
Words near Hadean in the dictionary
Source and license
Adapted from Wiktionary: Hadean (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-Hadean.wav.
Cite this entry: “Hadean.” Word.ws, https://word.ws/hadean. Based on Wiktionary, CC BY-SA 4.0.