HadeanWordNet Explorer
Explore synonyms, antonyms, hypernyms, hyponyms, and semantic relationships for “Hadean” powered by Princeton WordNet.
adjective
of or relating to or characteristic of Hades or Tartarus
adjective
being of the underworld
noun
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life