Cretaceous Meaning, definition in Cambridge English Dictionary
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Meaning of "Cretaceous" - English Dictionary

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Cretaceousadjective

uk   /krɪˈteɪ.ʃəs/  us   /kretˈeɪ-/ specialized
from or referring to the period of time between around 144 and 65 million years ago, in which plants with flowers first appeared: the Cretaceous period Cretaceous rocks
the Cretaceous
noun [S] uk   us  
the Cretaceous period
(Definition of Cretaceous from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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