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Definition of Mesozoic
1. Noun. From 230 million to 63 million years ago.
Exact synonyms: Age Of Reptiles, Mesozoic Era
Terms within: Cretaceous, Cretaceous Period, Jurassic, Jurassic Period, Triassic, Triassic Period
Generic synonyms: Era, Geological Era
Terms within: Cretaceous, Cretaceous Period, Jurassic, Jurassic Period, Triassic, Triassic Period
Generic synonyms: Era, Geological Era
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. of or pertaining to a certain geologic time period [adj]
Medical Definition of Mesozoic
1.