Archean eon vs Precambrian period
Precambrian period vs Archean eonArchean eon and Precambrian period both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| Archean eon | Yes | No | No | No |
| Precambrian period | Yes | No | No | No |
| Archean eon (noun) | Precambrian period (noun) |
|---|---|
| the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life | the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago |
Words related to "Archean eon"
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