Complete Definition of "Hadean"

English

Adjective
Hadean

  1. 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.

Noun
Hadean

  1. geology The Hadean eon.

See also
Wiktionary appendix:Geologic timescale

Revision and Credits for"Hadean"
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