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Meaning of Cretaceus


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  • (geology) of a geologic period within the Mesozoic era that comprises lower and upper epochs from about 146 to 65 million years ago
  • (geology) the Cretaceous period


cretaceous

  • Of or relating to chalk.
  • Consisting of chalk.
- The Nuttall Encyclopedia



Cre*ta"ceous, a. Also Cre*tac"ic (&?;). (Geol.) Of, pertaining to, or designating, the period of time following the Jurassic and preceding the Eocene.

Cre*ta"ceous (kr&esl;*tā"shŭs), a. [L. cretaceus, fr. creta chalk. See Crayon.] Having the qualities of chalk; abounding with chalk; chalky; as, cretaceous rocks and formations. See Chalk.

Cretaceous acid, an old name for carbonic acid. -- Cretaceous formation(Geol.), the series of strata of various kinds, including beds of chalk, green sand, etc., formed in the Cretaceous period; -- called also the chalk formation. See the Diagram under Geology. -- Cretaceous period(Geol.), the time in the latter part of the Mesozoic age during which the Cretaceous formation was deposited.

Cre*ta"ceous, a. Also Cre*tac"ic (&?;). (Geol.) Of, pertaining to, or designating, the period of time following the Jurassic and preceding the Eocene.

- Webster's Unabridged Dictionary (1913)



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The correct spelling of this word ought to be: Cretaceous

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