Definition of Mesozoic in English:

Mesozoic

Line breaks: Meso|zo¦ic
Pronunciation: /ˌmɛsə(ʊ)ˈzəʊɪk
 
, ˌmɛz-, ˌmiːs-, ˌmiːz-/

adjective

Geology
1Relating to or denoting the era between the Palaeozoic and Cenozoic eras, comprising the Triassic, Jurassic, and Cretaceous periods.
More example sentences
  • In later Palaeozoic, Mesozoic, and Cenozoic sequences they can be extremely abundant.
  • We believe that many Mesozoic and Cenozoic obducted ophiolite belts of SE Asia are fragments of fore-arc or back-arc lithosphere.
  • These are accompanied by much smaller sets of petrographic thin sections from Mesozoic and Cenozoic carbonate strata.
1.1 (as noun the Mesozoic) The Mesozoic era or the system of rocks deposited during it.

The Mesozoic lasted from about 245 to 65 million years ago. Large reptiles were dominant on land and sea and the first mammals, birds, and flowering plants appeared

Origin

mid 19th century: from meso- 'intermediate' + Greek zōion 'animal' (referring to the appearance of the first mammals) + -ic.

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