PRECAMBRIAN

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 Dictionary entry overview: What does Precambrian mean? 

• PRECAMBRIAN (noun)
  The noun PRECAMBRIAN has 1 sense:

1. the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago

  Familiarity information: PRECAMBRIAN used as a noun is very rare.

 Dictionary entry details 

• PRECAMBRIAN (noun)

Sense 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

Classified under:

Nouns denoting time and temporal relations

Synonyms:

Precambrian; Precambrian aeon; Precambrian eon; Precambrian period

Instance hypernyms:

aeon; eon (the longest division of geological time)

Meronyms (parts of "Precambrian"):

Proterozoic; Proterozoic aeon; Proterozoic eon (from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms)

Archaeozoic; Archaeozoic aeon; Archean; Archean aeon; Archean eon; Archeozoic; Archeozoic eon (the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life)