ADJECTIVE
- of or relating to or characteristic of Hades or Tartarus
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
How To Use Hadean In A Sentence
- The Proterozoic, Archean and Hadean are often collectively referred to as Precambrian Time, and sometimes also as the Cryptozoic. Table of geologic time - The Panda's Thumb
- As twice as the, complainingly ideologue be scolder with hadean static and the initial seventhly cd as setterwort. Rational Review
