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cretaceous period
 
Noun cretaceous period has 1 sense
  1. Cretaceous, Cretaceous period - from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
    --1 is a kind of period, geological period
    --1 is a part of Mesozoic, Mesozoic era, Age of Reptiles
crestfallen cresting crestless wave crestor crests crestwave cresyl cretaceous cretaceous period cretainty cretan cretan dittany cretch crete crete dittany creteria cretin

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