Cenozoic
Pronunciation : Ce`no*zo"ic
Part of Speech : a.
Etymology : [Gr. (Geol.)
Definition : Defn: 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?nozoic, cainozoic, kainozoic.] See Geology.
Note: This word is used by many authors as synonymous with Tertiary, the Quaternary Age not being included.
Source : Webster's Unabridged Dictionary, 1913