Hadean

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Hadean

/heɪˈdiːən/
/ˈheɪ.diːən/

Rhymes with -iːən, -eɪdiən

Where it comes from

From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.

proper noun Hadaean

The Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.

adjective Hadaean

not comparable Pertaining to Hades or hell. No Ceres weeps at the Hadean gate!
Similar: Plutonian, Plutonic, Tartarean, Acherontic, infernal, Hadean, hellish, helly, stygian, subtartarean
not comparable Of or relating to the Hadean geological eon.

Translations

Every language

name Hadean eon

Español	Hádico
Ελληνικά	Καταρχαιοζωικός Katarchaiozoïkós
Русский	катархе́й katarxéj, азо́й azój, гаде́й gadéj, преархе́й prearxéj, приско́й priskój, хэ́дий xɛ́dij

adj pertaining to the geological eon

Español	hádico
Ελληνικά	καταρχαιοζωικός katarchaiozoïkós

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MLA

"Hadean." Wiktionary, via Micwyn, micwyn.com/word/hadean. Accessed 6 Nov. 2026.

APA

Hadean. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/hadean

Chicago

"Hadean." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/hadean.

BibTeX

@misc{hadean_2026,
  title = {Hadean},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/hadean},
  urldate = {2026-11-06}
}