'Cenozoic' definitions:
Definition of 'Cenozoic'
(from WordNet)
adjective
Of or relating to or denoting the Cenozoic era
noun
Approximately the last 63 million years [syn: Cenozoic, Cenozoic era, Age of Mammals]
Definition of 'Cenozoic'
From: GCIDE
- 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. [1913 Webster]
- Note: This word is used by many authors as synonymous with Tertiary, the Quaternary Age not being included. [1913 Webster]