| NOUN | time | Precambrian eon, Precambrian, Precambrian aeon, Precambrian period | the eon following the Hadean time and preceding the Phanerozoic eon |
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| Meaning | 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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| Synonyms | Precambrian, Precambrian aeon, Precambrian period | |
| Instance of | eon, aeon | The longest division of geological time |
| Parts | Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon | The time from 3,800 million years to 2,500 million years ago |
| Proterozoic, Proterozoic eon, Proterozoic aeon | From 2,500 to 544 million years ago | |
| Spanish | precámbrico | |
| Catalan | precambrià | |
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