What is the meaning of Cretaceous?

noun

  • From 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants.

adjective

  • Abounding in chalk.
  • Of or relating to or denoting the third period of the Mesozoic era. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). cretaceous. Retrieved September 20, 2026, from http://smartdefine.org/cretaceous/definitions/1249816
ChicagoWordNet. 2010. "cretaceous" http://smartdefine.org/cretaceous/definitions/1249816 (accessed September 20, 2026).
HarvardWordNet 2010, cretaceous, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/cretaceous/definitions/1249816>.
MLAWordNet. "cretaceous" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/cretaceous/definitions/1249816>
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