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🌍 Earliest Earth era 🔥 Ancient or hellish
Hadean

Hadean

9.9
Relating to the underworld of old stories or to the earliest time in Earth's history
  • adjective
  • /heɪˈdiːən/
  • Literature
translation icon : hadeano
  • The planet's surface during the Hadean era was scorching and inhospitable.

Examples

  • The Hadean eon is the earliest period in Earth's history.

  • The novel described the underworld in dark, Hadean terms.

  • Geologists study rocks dating back to the Hadean period.

  • Scientists study Hadean rocks to understand the planet's formation.

  • The Hadean eon is the earliest period in Earth's history.

  • Geologists study rocks dating back to the Hadean period.

  • Scientists study Hadean rocks to understand the planet's formation.

Synonyms

Tartarean
vsHadean
  • Literature
9.9

Very dark and frightening like the world of the dead in Greek myth

also names the earliest geological eon as a separate meaning
Plutonian
vsHadean
  • Literature
9.9

Relating to the world of the dead in Greek myth

also refers to the earliest geological eon in Earth's history

Compounds

Hadean time
  • Specialized
9.9

The very earliest time on Earth after it formed, before rocks or life existed

Hadean eon
  • Specialized
9.9

The first time after Earth formed, about 4.6 to 4 billion years ago, before rocks or life

Surface Forms

Hadean positive

Morphology

Hadean = Hades (transparent) = Hades + an

Direct adjectival formation from the proper noun 'Hades' with the productive suffix '-an' meaning 'relating to Hades'.

Etymology

Hadean comes from Hades, the Greek 'underworld' or 'hell', so as an adjective it can describe something like the underworld or very harsh and hot. It also means 'relating to the Hadean eon', the earliest time on Earth when the surface was melted and bombarded by meteors.