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Definitions of precambrian
  1. noun
    the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Parts of precambrian
  • "archaeozoic aeon"
  • "archean"
  • "archean aeon"
  • "archean eon"
  • "archeozoic"
  • "archeozoic eon"
  • "proterozoic"
  • "proterozoic aeon"
  • "proterozoic eon"
  • "archaeozoic"
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