Mesozoic
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Mes·o·zo·ic
(mĕz′ə-zō′ĭk, mĕs′-)adj.
Of, relating to, or being the era of geologic time from about 251 to 66 million years ago. The Mesozoic Era includes the Triassic, Jurassic, and Cretaceous Periods and is characterized by the development of flying reptiles, birds, and flowering plants and by the appearance and extinction of dinosaurs. See Table at geologic time.
n.
The Mesozoic Era.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Mesozoic
(ˌmɛsəʊˈzəʊɪk)adj
(Geological Science) of, denoting, or relating to an era of geological time that began 250 000 000 years ago with the Triassic period and lasted about 185 000 000 years until the end of the Cretaceous period
n
(Geological Science) the Mesozoic the Mesozoic era
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Mes•o•zo•ic
(ˌmɛz əˈzoʊ ɪk, ˌmɛs-, ˌmi zə-, -sə-)adj.
1. noting or pertaining to a geologic era occurring between 230 million and 65 million years ago, characterized by the appearance of flowering plants and by dinosaurs.
n. 2. the Mesozoic Era or group of systems.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Mes·o·zo·ic
(mĕz′ə-zō′ĭk) The era of geologic time from about 245 to 65 million years ago. The Mesozoic Era was characterized by the development of flowering plants and by the appearance and extinction of dinosaurs. See Chart at geologic time.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun 1. [画像:Mesozoic - from 230 million to 63 million years ago]Mesozoic - from 230 million to 63 million years ago
Cretaceous, Cretaceous period - from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
Jurassic, Jurassic period - from 190 million to 135 million years ago; dinosaurs; conifers
Triassic, Triassic period - from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity
Adj. 1. Mesozoic - of or relating to or denoting the Mesozoic era
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Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005