新生代

Kainozoic \Kai`no*zo"ic\, a.
See {Cenozoic}.

Cenozoic \Ce`no*zo"ic\, a. [Gr. ? recent + ? life.] (Geol.)
Belonging to the most recent division of geological time,
including the tertiary, or Age of mammals, and the
Quaternary, or Age of man. [Written also {c[ae]nozoic},
{cainozoic}, {kainozoic}.] See {Geology}.

Note: This word is used by many authors as synonymous with
Tertiary, the Quaternary Age not being included.