Definition of Mesozoic

1. Noun. From 230 million to 63 million years ago.


2. Adjective. Of or relating to or denoting the Mesozoic era.

Definition of Mesozoic

1. a. Belonging, or relating, to the secondary or reptilian age, or the era between the Paleozoic and Cenozoic. See Chart of Geology.

2. n. The Mesozoic age or formation.

Definition of Mesozoic

1. Adjective. (geology) Of a geologic era within the Phanerozoic eon that comprises the Triassic, Jurassic and Cretaceous periods from about 230 to 65 million years ago, when life on earth was dominated by reptiles. ¹

2. Proper noun. (geology) The Mesozoic era. ¹

¹ Source: wiktionary.com

Definition of Mesozoic

1. of or pertaining to a certain geologic time period [adj]

Medical Definition of Mesozoic

1. Belonging, or relating, to the secondary or reptilian age, or the era between the Paleozoic and Cenozoic. See Chart of Geology. Origin: Meso- + Gr. Life, fr. To live. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Mesozoic

mesovarian border of ovary
mesovarian margin of ovary
mesovarium
mesovortex
mesovortices
mesoxalate
mesoxalates
mesoxalic
mesoxalic acid
mesoxalylurea
mesoxerophyte
mesoxerophytes
mesozoa
mesozoan
mesozoans
mesozoic (current term)
mesprise
mesprises
mesprize
mesprizes
mesquin
mesquine
mesquit
mesquite
mesquite gum
mesquites
mesquits
mess-up
mess about

Literary usage of Mesozoic

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Text-book of Geology: For Use in Universities, Colleges, Schools of by Louis Valentine Pirsson, Charles Schuchert (1915)
"To them the mesozoic was the middle or medieval time of the earth's history, ... It is now well known that the mesozoic formations are far from holding the ..."

2. A Text-book of Geology: Designed for Schools and Academies by James Dwight Dana (1870)
"The American mesozoic formations are too imperfect to be used as data for calculating the mesozoic time-ratios; and in Europe there is much uncertainty as ..."

3. New Text-book of Geology: Designed for Schools and Academies by James Dwight Dana (1883)
"GENERAL OBSERVATIONS ON THE mesozoic. 1. Time-Ratios. — The ratios between the Paleozoic ages as to the length of time that elapsed during their progress, ..."

4. An Introduction to Historical Geology: With Special Reference to North America by William John Miller (1916)
"As the name indicates, the mesozoic was the era of transition between the Paleozoic and the Cenozoic. Eastern North America had been to a large degree ..."

5. Elements of Geology: A Text-book for Colleges and for the General Reader by Joseph LeConte (1891)
"The mesozoic was far less long and far less diversified in dominant types. ... The general characteristics of the mesozoic era are the culmination of the ..."

6. An Introduction to Geology by William Berryman Scott (1907)
"CHAPTER XXXII THE mesozoic ERA—TRIASSIC PERIOD THE mesozoic era, so far as we can judge, seems to have been shorter than the Palaeozoic; in North America ..."

7. Geological Story Briefly Told: An Introduction to Geology by James Dwight Dana (1875)
"mesozoic TIME. The characteristics of the following era, the mesozoic, had in part appeared before the Paleozoic era closed. ..."

8. The American Geologist by Newton Horace Winchell (1888)
"The reason is as follows: Although Pla- cental Mammalia are not now known otherwise from mesozoic beds, the other forms of the Puerco are especially ..."

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