411 REFERENCE · Wiktionary
Arkaikum
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Indonesian
Alternative forms
id Arkaekum
Etymology
Borrowed from Modern id la Archaicum.
Adjective
id geology Archaean
Proper noun
id geology the eon from 2,500 Ma to 4,000 Ma; Archaean
Synonyms
id Arkean
Hypernyms
eon 2,500-4,000 Ma id Prakambrium
Hyponyms
eon 2,500-4,000 Ma id Eoarkaikum, id Paleoarkaikum, id Mesoarkaikum, id Neoarkaikum
Coordinate terms
eon 2,500-4,000 Ma id Hadaikum, id Proterozoikum - eons in Precambrian