Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of or relating to Wales; Welsh.
- adjective Of, relating to, or being the period of geologic time from about 542 to 488 million years ago, the oldest period of the Paleozoic Era. The Cambrian Period is characterized by desert land areas, warm seas, and rapid early diversification of marine life resulting in the rise of almost all modern animal phyla.
- noun A Welshman or Welshwoman.
- noun The Cambrian Period.
from The Century Dictionary.
- Relating or pertaining to Wales or Cambria; Welsh.
- noun A Welshman.
from the GNU version of the Collaborative International Dictionary of English.
- noun A native of Cambria or Wales.
- noun (Geol.) The Cambrian formation.
- adjective (Geog.) Of or pertaining to Cambria or Wales.
- adjective (Geol.) Of or pertaining to the lowest subdivision of the rocks of the Silurian or Molluscan age; -- sometimes described as inferior to the Silurian. It is named from its development in
Cambria or Wales. See the Diagram underGeology .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geology of a
geologic period within thePaleozoic era ; comprises lower, middle andFurongian epochs from about 542 to 490 million years ago - adjective of, or relating to
Wales - noun geology the Cambrian period
- noun a
Welsh person
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a native or resident of Wales
- adjective of or relating to or characteristic of Wales or its people or their language
- noun from 544 million to about 500 million years ago; marine invertebrates
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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The term Cambrian explosion describes the geologically sudden appearance of animals in the fossil record during the Cambrian period of geologic time.
Paul Nelson: Skepticism of the dino bird hypothesis explored - The Panda's Thumb 2007
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Eventually the O2 levels reduced enough to slow down the mutation rate, thus bringing an end to what we call the Cambrian Explosion
Continuation… 2008
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Early, simple life-forms developed before what is known as the Cambrian era.
George’s Cosmic Treasure Hunt Lucy 2009
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Early, simple life-forms developed before what is known as the Cambrian era.
George’s Cosmic Treasure Hunt Lucy 2009
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Early, simple life-forms developed before what is known as the Cambrian era.
George’s Cosmic Treasure Hunt Lucy 2009
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Early, simple life-forms developed before what is known as the Cambrian era.
George’s Cosmic Treasure Hunt Lucy 2009
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The most famous example of this in the history of biology is known as the Cambrian explosion.
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The Cambrian is mentioned 50 times in his Meyer's paper, and is his only example of the origin of animal forms.
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The Cambrian is mentioned 50 times in his Meyer's paper, and is his only example of the origin of animal forms.
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Common descent would be hard put to recover were anyone to find a cow in Cambrian deposits.
Clear Thinking? 2005
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