Cretaceous


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Cre·ta·ceous

 (krĭ-tā′shəs)
adj.
1. Of, relating to, or being the period of geologic time from about 146 to 66 million years ago, the third and most recent period of the Mesozoic Era. The Cretaceous Period is characterized by the formation of modern continents from the supercontinent Pangaea and by the development of flowering plants. The Period ended with the sudden extinction of the dinosaurs and many other forms of life. See Table at geologic time.
2. cretaceous Of, containing, or resembling chalk.
n.
The Cretaceous Period.

[From Latin crētāceus, chalky, from crēta, chalk, from Crēta (terra), Cretan (earth).]

cre·ta′ceous·ly adv.

cretaceous

(krɪˈteɪʃəs)
adj
(Chemistry) consisting of or resembling chalk
[C17: from Latin crētāceus, from crēta, literally: Cretan earth, that is, chalk]
creˈtaceously adv

Cretaceous

(krɪˈteɪʃəs)
adj
(Geological Science) of, denoting, or formed in the last period of the Mesozoic era, between the Jurassic and Tertiary periods, lasting 80 million years during which chalk deposits were formed and flowering plants first appeared
n
(Geological Science) the Cretaceous the Cretaceous period or rock system

cre•ta•ceous

(krɪˈteɪ ʃəs)

adj.
1. resembling or containing chalk.
2. (cap.) noting or pertaining to a period of the Mesozoic Era, from 140 million to 65 million years ago, characterized by the greatest development and subsequent extinction of dinosaurs and the advent of flowering plants and modern insects.
n.
3. (cap.) the Cretaceous Period or System.
[1665–70; < Latin crētāceus=crēt(a) chalk, clay (compare crayon) + -āceus -aceous; the geological period was defined from the chalk beds of SE England]

Cre·ta·ceous

(krĭ-tā′shəs)
The third and last period of the Mesozoic Era, from about 144 to 65 million years ago, characterized by the development of flowering plants. The Cretaceous Period ended with the sudden mass extinction of dinosaurs and many other forms of life. See Chart at geologic time.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Cretaceous - from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
Age of Reptiles, Mesozoic, Mesozoic era - from 230 million to 63 million years ago
Adj.1.cretaceous - abounding in chalk
2.Cretaceous - of or relating to or denoting the third period of the Mesozoic era
Translations

cretaceous

[krɪˈteɪʃəs] ADJcretáceo

cretaceous

adjKreide-, kretazeisch (spec); the cretaceous age (Geol) → die Kreide(zeit)
References in classic literature ?
It may be that he swept back into the past, and fell among the blood-drinking, hairy savages of the Age of Unpolished Stone; into the abysses of the Cretaceous Sea; or among the grotesque saurians, the huge reptilian brutes of the Jurassic times.
Flintcomb-Ash being in the middle of the cretaceous tableland over which no railway had climbed as yet, it would be necessary to walk.
A complete skeleton of one of the animals dating back 125 million years to the Cretaceous period was unearthed from a site near Cuenca, central Spain.
5, 2015 /PRNewswire/ -- New Gulf Resources, LLC (the "Company" or "NGR") announced today the most recent well results from its Vertical Lower Cretaceous ("Buda-Rose") project located in Madison County, Texas.
It produces from a Lower Cretaceous Ratawi Fm, with 33-35?
The angiosperms (flowering plants) that make up the majority of today s vegetation did not appear until the Cretaceous, and did not become the dominant flora until the Cenozoic.
Bachmann, in Argentina have identified the new diplodocid sauropod from the early Cretaceous period in Patagonia, Argentina.
Dating from the Cretaceous period, the seven eggs are somewhere between 65 and 145 million years old and were discovered in the Gobi desert in China.
Australornis appeared to be most similar to two species described from the late Cretaceous period (around 70 million years ago) of the Antarctic Peninsula and highlighted the links between Antarctica and New Zealand in the late Cretaceous and early Paleocene periods.
Krim-1 Cretaceous E sands flow tested at up to 2,580 bopd -
Scientists working in the central state of Boyaca, a landlocked region of Colombia that was thought to have been flooded during the Cretaceous Period, found the fossil.
The results, produced by a collaboration of researchers from universities and museums in Belgium and the UK and published in Biology Letters, contradict previous theories that suggest the ichthyosaurs of the Cretaceous period (the span of time between 145 and 66 million years ago) were the last survivors of a group on the decline.