| 释义 |
ce·no·zo·ic
I. adjective
or cae·no·zo·ic \|sēnə|zōik, |sen-\; also cai·no·zo·ic or kai·no·zo·ic \|kīnə-, |kānə-\
Usage: usually capitalized
Etymology: cen- (II) + -zoic
: of or relating to a grand division of geological history including the entire interval from the beginning of the Tertiary period to the present time marked by a rapid evolution of mammals and birds and of grasses, shrubs, and higher flowering plants and by little change in the invertebrates — see geologic time table
II. noun
or caenozoic \“\; also cainozoic or kainozoic \“\
(-s)
Usage: usually capitalized
: the Cenozoic era or system of rocks |