| ADJECTIVE | all | archean, archaean | of or relating to the earliest known rocks formed during the Precambrian Eon |
|---|---|---|---|
| NOUN | time | Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon | the time from 3,800 million years to 2,500 million years ago |
| Meaning | Of or relating to the earliest known rocks formed during the Precambrian Eon. | |
|---|---|---|
| Synonym | archaean | |
| Category | geology | A science that deals with the history of the earth as recorded in rocks / rocks |
| Broader | early | At or near the beginning of a period of time or course of events or before the usual or expected time |
| Nouns | Archean | the time from 3,800 million years to 2,500 million years ago |
| Meaning | The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life. | |
|---|---|---|
| Synonyms | Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon | |
| Instance of | eon, aeon | The longest division of geological time |
| Part of | Precambrian, Precambrian eon, Precambrian aeon, Precambrian period | The eon following the Hadean time and preceding the Phanerozoic eon |
| Spanish | arcaico | |
| Catalan | arqueà | |
| Adjectives | archean | of or relating to the earliest known rocks formed during the Precambrian Eon |
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