Cenozoic
Pronunciation: /ˌsiːnəˈzəʊɪk/
(also Cainozoic)
adjective
Geology- relating to or denoting the most recent era, following the Mesozoic era and comprising the Tertiary and Quaternary periods.
- (as noun the Cenozoic) the Cenozoic era, or the system of rocks deposited during it.
- The Cenozoic has lasted from about 65 million years ago to the present day. It has seen the rapid evolution and rise to dominance of mammals, birds, and flowering plants
Origin:
mid 19th century: from Greek kainos 'new' + zōion 'animal' + -ic