WikiWord

English

Cretaceous

/kɹəˈteɪ.ʃəs/ · name

Meaning

  1. Consisting of chalk.
  2. The geologic period within the Mesozoic era that comprises lower and upper epochs from about 146 to 66 million years ago.
  3. Of or relating to chalk.

Etymology / origin

Specific use of cretaceous.

Sources

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