Arkaikum

== Indonesian == === Alternative forms === Arkaekum === Etymology === Borrowed from Modern Latin Archaicum. === Adjective === Arkaikum (comparative lebih Arkaikum, superlative paling Arkaikum) (geology) Archaean === Proper noun === Arkaikum (geology) the eon from 2,500 Ma to 4,000 Ma; Archaean ==== Synonyms ==== Arkean ==== Hypernyms ==== (eon 2,500-4,000 Ma): Prakambrium ==== Hyponyms ==== (eon 2,500-4,000 Ma): Eoarkaikum, Paleoarkaikum, Mesoarkaikum, Neoarkaikum ==== Coordinate terms ==== (eon 2,500-4,000 Ma): Hadaikum, Proterozoikum - eons in Precambrian