Archeozoic eon 1
noundomain: time
Princeton WordNet [ver.3.1]
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EnglishDefinition
the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Instance_Hypernym
eon 1
noun
the longest division of geological time
Part_meronym
Precambrian 1
noun
the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Eoarchean 1
noun
In the geologic record the Eoarchean (also spelled Eoarchaean) Era is the earliest time following the solidification of Earth's crust.
Mesoarchean 1
noun
The Mesoarchean (also spelled Mesoarchaean) is a geologic era within the Archean, spanning 3,200 to 2,800 million years ago.
Neoarchean 1
noun
The Neoarchean (also spelled Neoarchaean) is a geologic era within the Archaean.
Paleoarchean 1
noun
The Paleoarchean (also spelled Palaeoarchaean, formerly known as early Archean) is a geologic era within the Archaean.
EnglishPart_holonym
Precambrian 1
noun
the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Paleoarchean 1
noun
The Paleoarchean (also spelled Palaeoarchaean, formerly known as early Archean) is a geologic era within the Archaean.
