Thesaurus
A really fast thesaurus... with lots of synonyms.
precambrian period (0 synonym found)
Definition of precambrian period:
(n) :
the eon following the hadean time and preceding the phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Definition of precambrian period:
(n) :
the eon following the hadean time and preceding the phanerozoic eon; from about 3,800 million years ago until 544 million years ago
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