I. adjective
also ar·chaeo·zo·ic |ärkēə|zōik sometimes är|k-
Usage: usually capitalized
Etymology: archae- + -zoic
: of, belonging to, or relating to the earliest era of geological history, the era of the Archean rocks — see geologic time table
II. noun
also archaeozoic “
( -s )
Usage: usually capitalized
: the Archeozoic era or system of rocks