Cenozoic

[ see-nuh-zoh-ik, sen-uh- ]

/ ˌsi nəˈzoʊ ɪk, ˌsɛn ə- /

Geology

adjective

noting or pertaining to the present era, beginning 65 million years ago and characterized by the ascendancy of mammals.

noun

the Cenozoic Era or group of systems.

Also Cainozoic.

Origin of Cenozoic

First recorded in 1850–55; ceno-¹ + zo- + -ic

Words nearby Cenozoic

cenogenesis, cenosite, cenospecies, cenotaph, cenote, Cenozoic, cense, censer, censor, censorious, censorship

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for Cenozoic

Poisonous snakes were not evolved until early in the next (Cenozoic) era.
Geology|William J. Miller
There is a laboratory of invertebrate paleontology of Cenozoic and Mesozoic age, with a corps of paleontologists.
Scientific American Supplement, No. 484, April 11, 1885|Various
During the early part of the Cenozoic era birds became still more advanced and numerous, with many modern groups represented.
Geology|William J. Miller
In consequence giant carnivores would find no field for action in the Cenozoic world, and hence they have not been evolved.
Dinosaurs|William Diller Matthew

Paleozoic means "ancient life;" Mesozoic, "middle life;" Cenozoic, "recent life."
Famous Men of Science|Sarah K. Bolton

British Dictionary definitions for Cenozoic

Cenozoic

Caenozoic Cainozoic

/ (ˌsiːnəʊˈzəʊɪk) /

adjective

of, denoting, or relating to the most recent geological era, which began 65 000 000 years ago: characterized by the development and increase of the mammals

noun

the Cenozoic the Cenozoic era

Word Origin for Cenozoic

C19: from Greek kainos new, recent + zōikos, from zōion animal

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Cenozoic

Cenozoic

[ sĕn′ə-zō′ĭk ]

The most recent era of geologic time, from about 65 million years ago to the present. The Cenozoic Era is characterized by the formation of modern continents and the diversification of mammals and plants. Grasses also evolved during the Cenozoic. The climate was warm and tropical toward the beginning of the era and cooled significantly in the second half, leading to several ice ages. Humans first appeared near the end of this era. See Chart at geologic time.

单词	cenozoic
释义	Cenozoic [ see-nuh-zoh-ik, sen-uh- ] / ˌsi nəˈzoʊ ɪk, ˌsɛn ə- / Geology adjective noting or pertaining to the present era, beginning 65 million years ago and characterized by the ascendancy of mammals. noun the Cenozoic Era or group of systems. Also Cainozoic. Origin of Cenozoic First recorded in 1850–55; ceno-¹ + zo- + -ic Words nearby Cenozoic cenogenesis, cenosite, cenospecies, cenotaph, cenote, Cenozoic, cense, censer, censor, censorious, censorship Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for Cenozoic Poisonous snakes were not evolved until early in the next (Cenozoic) era. Geology\|William J. Miller There is a laboratory of invertebrate paleontology of Cenozoic and Mesozoic age, with a corps of paleontologists. Scientific American Supplement, No. 484, April 11, 1885\|Various During the early part of the Cenozoic era birds became still more advanced and numerous, with many modern groups represented. Geology\|William J. Miller In consequence giant carnivores would find no field for action in the Cenozoic world, and hence they have not been evolved. Dinosaurs\|William Diller Matthew Paleozoic means "ancient life;" Mesozoic, "middle life;" Cenozoic, "recent life." Famous Men of Science\|Sarah K. Bolton British Dictionary definitions for Cenozoic Cenozoic Caenozoic Cainozoic / (ˌsiːnəʊˈzəʊɪk) / adjective of, denoting, or relating to the most recent geological era, which began 65 000 000 years ago: characterized by the development and increase of the mammals noun the Cenozoic the Cenozoic era Word Origin for Cenozoic C19: from Greek kainos new, recent + zōikos, from zōion animal Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for Cenozoic Cenozoic [ sĕn′ə-zō′ĭk ] The most recent era of geologic time, from about 65 million years ago to the present. The Cenozoic Era is characterized by the formation of modern continents and the diversification of mammals and plants. Grasses also evolved during the Cenozoic. The climate was warm and tropical toward the beginning of the era and cooled significantly in the second half, leading to several ice ages. Humans first appeared near the end of this era. See Chart at geologic time. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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