bri adjective
1.
Geology. noting or pertaining to a period of the Paleozoic Era, occurring from 570 million to 500 million years ago, when algae and marine invertebrates were the predominant form of life. See table under geologic time.
2.
of or pertaining to Cambria; Welsh.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To Cambrian
00:10
Cambrian
is always a great word to know.
So is erosion. Does it mean:
| process where the surface of the earth is worn away by the action of water, glaciers, winds, waves |
| seepage of water into soil or rock |
Collins
World English Dictionary
Cambrian (ˈkæmbrɪən) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —adj | |
| 1. | of, denoting, or formed in the first 65 million years of the Palaeozoic era, during which marine invertebrates, esp trilobites, flourished |
| 2. | of or relating to Wales |
| —n | |
| 3. | the Cambrian the Cambrian period or rock system |
| 4. | a Welsh person |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
Cambrian
1650s, "from or of Wales or the Welsh," from Cambria, variant of Cumbria, Latinized derivation of Cymry, the name of the Welsh for themselves, from O.Celt. Combroges "compatriots." Geological sense (of rocks first studied in Wales and Cumberland) is from 1836.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
Cambrian  (kām'brē-ən, kām'-) Pronunciation Key
The first period of the Paleozoic Era, from about 540 to 505 million years ago. During this time warm seas and desert land areas were widespread, and animal life diversified rapidly during what is known as the Cambrian Explosion. See Chart at geologic time. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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