Hadean era Synonyms

Hadean replaced

Definitions for Hadean

(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
(adjective) of or relating to or characteristic of Hades or Tartarus

Synonyms for phrase

HE abbreviation

HE is an abbreviation for Hadean Era

What does HE stand for?

HE stands for "Hadean Era"

Definitions for Era

(noun) an extent of time associated with a particular person or thing
(noun) a period marked by distinctive character or reckoned from a fixed point or event
(noun) a major division of geological time ; an era is usually divided into two or more periods