precambrian : Idioms & Phrases
precambrian aeon
-
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
-
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
-
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.