Reptilian age
Reptilian Rep*til"i*an (-an), a. Belonging to the reptiles. [1913 Webster]

{Reptilian age} (Geol.), that part of geological time comprising the Triassic, Jurassic, and Cretaceous periods, and distinguished as that era in which the class of reptiles attained its highest expansion; -- called also the {Secondary} or {Mezozoic} age. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • reptilian age — noun : the Mesozoic era during which reptiles were the dominant form of life …   Useful english dictionary

  • Reptilian — Rep*til i*an ( an), a. Belonging to the reptiles. [1913 Webster] {Reptilian age} (Geol.), that part of geological time comprising the Triassic, Jurassic, and Cretaceous periods, and distinguished as that era in which the class of reptiles… …   The Collaborative International Dictionary of English

  • Mezozoic — Reptilian Rep*til i*an ( an), a. Belonging to the reptiles. [1913 Webster] {Reptilian age} (Geol.), that part of geological time comprising the Triassic, Jurassic, and Cretaceous periods, and distinguished as that era in which the class of… …   The Collaborative International Dictionary of English

  • Secondary — Reptilian Rep*til i*an ( an), a. Belonging to the reptiles. [1913 Webster] {Reptilian age} (Geol.), that part of geological time comprising the Triassic, Jurassic, and Cretaceous periods, and distinguished as that era in which the class of… …   The Collaborative International Dictionary of English

  • Mesozoic — Mes o*zo ic, a. [Meso + Gr. ? life, fr. ? to live.] (Geol.) Belonging, or relating, to the secondary or reptilian age, or the era between the Paleozoic and Cenozoic. See Chart of {Geology}. [1913 Webster] …   The Collaborative International Dictionary of English

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