Ce·​no·​zo·​ic | \ ˌsē-nə-ˈzō-ik How to pronounce Cenozoic (audio) , ˌse- \

Definition of Cenozoic

: of, relating to, or being an era of geological history that extends from the beginning of the Tertiary (see tertiary entry 1 sense 2) period to the present time and is marked by a rapid evolution of mammals and birds and of angiosperms and especially grasses and by little change in the invertebrates also : relating to the corresponding system of rocks — see Geologic Time Table

Other Words from Cenozoic

Cenozoic noun

First Known Use of Cenozoic

1841, in the meaning defined above

History and Etymology for Cenozoic

Greek kainos + English -zoic

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The first known use of Cenozoic was in 1841

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Cite this Entry

“Cenozoic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cenozoic. Accessed 21 Sep. 2020.

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More Definitions for Cenozoic


Ce·​no·​zo·​ic | \ ˌsē-nə-ˈzō-ik How to pronounce Cenozoic (audio) , ˌse- \

Kids Definition of Cenozoic

: an era of geological history lasting from 70 million years ago to the present time in which there has been a rapid evolution of mammals and birds and of flowering plants

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