I. ˈmīəˌsēn adjective
also mi·o·cen·ic | ̷ ̷ ̷ ̷|senik
Usage: usually capitalized
Etymology: miocene from mi- + -cene; miocenic probably from miocene (II) + -ic
: of, relating to, or characterizing an epoch of the Tertiary preceding the Pliocene and succeeding the Oligocene — see geologic time table
II. noun
( -s )
Usage: usually capitalized
Etymology: miocene (I)
: the Miocene epoch or series