ARCHEAN meaning: Ancient geological eon, early Earth

We found 19 dictionaries that define the word Archean:

General (17 matching dictionaries)

Archean: Merriam-Webster
Archean, the Archean: Oxford Learner's Dictionaries
Archean: American Heritage Dictionary of the English Language
Archean: Collins English Dictionary
Archean, archean: Vocabulary.com
Archean: Wordnik
Archean: Wiktionary
Archean: Webster's New World College Dictionary, 4th Ed.
Archean (Archaean): The Wordsmyth English Dictionary-Thesaurus
Archean: Infoplease Dictionary
Archean: Dictionary.com
Archean: Wikipedia, the Free Encyclopedia
Archean: Rhymezone
archean: FreeDictionary.org
archean: Mnemonic Dictionary
Archean: TheFreeDictionary.com
Archean: Merriam-Webster

Computing (1 matching dictionary)

Archean: Encyclopedia

Science (1 matching dictionary)

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Definitions from Wiktionary (Archean)

▸ adjective: Alternative form of Archaean [(mythology) Of or relating to Arche, the Muse of beginnings in Greek mythology.]
▸ noun: Alternative form of Archaean [(geology) The eon from 2,500 Ma to 4,000 Ma.]

Opposite:

proterozoic, phanerozoic, cenozoic

Types:

stromatolite, microbialite, red algae, blue-green algae, more...

Phrases:

archean eon, archean aeon, more...

Adjectives:

late, early, post, middle, true, underlying, pre

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