Hadean

English

Etymology

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

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 geologic eon from about 4,600 to 3,800 million years ago; marked by the formation of the solar system, a stable Earth-Moon orbit and the first rocks.

Translations

of geologic eon from 4,600 to 3,800 million years ago

Finnish: hadeeinen

Greek: καταρχαιοζωικός (katarchaiozoikós)

Proper noun

Hadean

(geology) The eon before 4,000 Ma.

Hypernyms

(eon before 4,000 Ma): Precambrian

Hyponyms

(eon before 4,000 Ma): For proposals see Hadean on Wikipedia.Wikipedia
(eon 4,600-4,000 Ma): Dexamenian - systems/periods

Coordinate terms

(eon before 4,000 Ma): Archaean, Proterozoic - eons in Precambrian

Translations

Hadean eon

Estonian: hadaikum
Finnish: hadeeinen aioni

Greek: Καταρχαιοζωικός m (Katarchaiozoikós)
Russian: катархе́й (ru) m (katarxéj), азо́й (ru) m (azój), гаде́й (ru) m (gadéj), преархе́й (ru) m (prearxéj), приско́й (ru) m (priskój), хэ́дий m (xɛ́dij)

See also

Appendix:Geologic timescale

Anagrams

Dehaan, hadnae

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