/ahr kee"euhn/ , adj. Geol.
noting or pertaining to rocks of the Archeozoic portion of the Precambrian Era.
Also, Archaean .
[ 1870-75; archaî ( os ) ancient (see ARCHAEO-) + -AN ]
/ahr kee"euhn/ , adj. Geol.
noting or pertaining to rocks of the Archeozoic portion of the Precambrian Era.
Also, Archaean .
[ 1870-75; archaî ( os ) ancient (see ARCHAEO-) + -AN ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012