Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun precambrian

1 sense of precambrian

Sense 1
Precambrian, Precambrian eon, Precambrian aeon, Precambrian period -- (the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago)
       INSTANCE OF=> eon, aeon -- (the longest division of geological time)