Hadean

English

Alternative forms

Hadaean

Etymology

Hades +‎ -an, from Ancient Greek ᾍδης (Hā́idēs)

Pronunciation

IPA^(key): /heɪˈdiːən/, /ˈheɪ.diːən/
Audio (Southern England) (file)
Rhymes: -iːən, -eɪdiən

Adjective

Hadean (not comparable)

Pertaining to Hades or hell.
- 1902, Frederic Crowninshield, A Painter's Moods, page 49:
  No Ceres weeps at the Hadean gate!
(geology) Of, or relating to the geological eon.

Translations

pertaining to the geological eon

Finnish: hadeeinen
Greek: καταρχαιοζωικός (katarchaiozoïkós)
Spanish: hádico
Swedish: hadeisk (sv)

Proper noun

Hadean

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

Hypernyms

Precambrian

Coordinate terms

Archaean, Proterozoic - eons in Precambrian

Translations

Hadean eon

Estonian: hadaikum
Finnish: hadeeinen aioni
Greek: Καταρχαιοζωικός m (Katarchaiozoïkós)
Hungarian: hadaikum (hu)
Russian: катархе́й (ru) m (katarxéj), азо́й (ru) m (azój), гаде́й (ru) m (gadéj), преархе́й (ru) m (prearxéj), приско́й (ru) m (priskój), хэ́дий m (xɛ́dij)
Spanish: Hádico m
Swedish: hadeikum (sv) c

See also

Appendix:Geologic timescale

Anagrams

Dehaan, hadnae

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