Mesozoic

adjective Me·so·zo·ic \ -ˈzō-ik \

Definition of Mesozoic

: of, relating to, or being an era of geological history comprising the interval between the Permian and the Tertiary or the corresponding system of rocks that was marked by the presence of dinosaurs, marine and flying reptiles, ammonites, ferns, and gymnosperms and the appearance of angiosperms, mammals, and birds — see Geologic Time Table

Mesozoic

noun

First Known Use of mesozoic

1840

in the meaning defined above

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MESOZOIC Defined for Kids

Mesozoic

noun Mes·o·zo·ic \ ˌme-zə-ˈzō-ik , -sə- \

Definition of Mesozoic for Students

: an era of geological history which extends from the Paleozoic to the Cenozoic and in which dinosaurs are present and the first birds, mammals, and flowering plants appear

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