PRECAMBRIAN AEON as NOUN

  1. Meaning
    • the eon following the Hadean time and preceding the Phanerozoic eon
    • from about 3,800 million years ago until 544 million years ago
    Synonym(s) Hypernyms(s) Precambrian aeon is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower