archean vs Archean
Archean vs archeanarchean is not a noun while Archean is a noun.
archean is an adjective but Archean is not an adjective.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| archean | No | Yes | No | No |
| Archean | Yes | No | No | No |
| archean (noun) | Archean (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 |
| archean (adjective) | Archean (adjective) |
|---|---|
| of or relating to the earliest known rocks formed during the Precambrian Eon |
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