precambrian : Idioms & Phrases
precambrian aeon
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noun the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Precambrian eon; Precambrian aeon; Precambrian.
WordNet
precambrian eon
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noun the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Precambrian eon; Precambrian aeon; Precambrian.
WordNet
precambrian period
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noun the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Precambrian eon; Precambrian aeon; Precambrian.
