archaean definition

  • noun:
    • Any system of this domain Archaea
    • Any organism of this domain Archaea
  • adjective:
    • of or concerning the earliest known rocks formed throughout the Precambrian Eon
    • of or relating to the earliest acknowledged rocks formed during Precambrian Eon

Related Sources

  • Sentence for "archaean"
    • An 'archaean' is a division of…
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