英 [ˈheɪdɪən] 美 [ˈheɪdiən]
adj. 地狱的；阴间的
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
同义词： Hadean time / Hadean eon / Hadean aeon / Priscoan / Priscoan eon / Priscoan aeon
(《新约》中的)阴府，黄泉
冥古代
冥古宙
... infernal 地狱的 Hadean 地狱的 plutonian 冥王星的 ...
Prearchaean 或称原太古代（Protoarchaean），地质学家克劳德称之为“冥古代（Hadean）”，葛利普则称之为“无生代（Azoic）。 指太古代之前的地质时代。
Hades 冥府；地狱；阎王
The Jack Hills zircon led to something of a revolution in our understanding of the Hadean eon.
杰克·希尔斯锆石导致我们对冥古宙的理解发生了革命性的变化。
The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。