About The Word Cretaceous
Learn about the word Cretaceous to help solve your crossword puzzle. Discover Cretaceous definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Cretaceous
| Cretaceous Definition And Meaning |
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What's The Definition Of Cretaceous?
[n] from 63 million to 135 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
[adj] of or relating to the Cretaceous geologic era; "cretaceous rocks" [adj] abounding in chalk Synonyms | Synonyms for Cretaceous: Cretaceous period Related Terms | Find terms related to Cretaceous: See Also | Age of Reptiles | geological period | Mesozoic | Mesozoic era | period Cretaceous In Webster's Dictionary \Cre*ta"ceous\ (kr[-e]*t[=a]"sh[u^]s), 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 Cretacic \Cre*tac"ic\ (Geol.) Of, pertaining to, or designating, the period of time following the Jurassic and preceding the Eocene. |
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