Look up: Cambrian

1. 
   Cambrian
   The Cambrian period was the third geological period, 450,000,000 years ago.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   Cambrian
   The earliest defined geological period spanning 542-483Ma. Time before the Cambrian is referred to as the Pre-Cambrian, making the Cambrian the first period of the Palaeozoic Era. All fossils from this period are marine and the beginning of this period saw the Cambrian Explosion; an apparent burst of evolution. The Cambrian is split into four Epochs, Lower Series, Series 2, Series 3 and Furongian.
   Found on http://www.geologyrocks.co.uk/glossary/l
   
   
3. 
   Cambrian
   [n] - from 500 million to about 544 million years ago
   Found on http://www.webdictionary.co.uk/definitio
   
   
4. 
   Cambrian
   the period of geological time between 544 and 505 million years ago. The name comes from the Cambrian Mountains in Wales, where the strata of the Cambrian were first defined. See Geological Timescale
   Found on http://www.sedgwickmuseum.org/education/
   
   
5. 
   Cambrian
   Cam'bri·an adjective 1. (Geology) Of or pertaining to Cambria or Wales. 2. (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 under Geology .
   Found on http://www.encyclo.co.uk/webster/C/12
   
   
6. 
   Cambrian
   Cam'bri·an noun 1. A native of Cambria or Wales. 2. (Geol.) The Cambrian formation.
   Found on http://www.encyclo.co.uk/webster/C/12
   
   
7. 
   Cambrian
   Cambrian period noun from 544 million to about 500 million years ago; marine invertebrates
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
8. 
   Cambrian
   The `Cambrian` is a major division of the geologic timescale that begins about 542 ñ 1.0 Ma (million years ago) at the end of the Proterozoic eon and ended about 488.3 ñ 1.7 Ma with the beginning of the Ordovician period . It is the first period of the Paleozoic era of the Phanerozoic eon. The Cambrian takes its name from Cambria, the classical name for Wales, the area where rocks from this time period were first studied. The Cambrian is the ear...
   Found on http://en.wikipedia.org/wiki/Cambrian
   
   
9. 
   Cambrian
   • (a.) Of or pertaining to Cambria or Wales. • (n.) A native of Cambria or Wales. • (n.) The Cambrian formation. • (a.) 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 Diagra...
   Found on http://thinkexist.com/dictionary/meaning
   
   
10. 
    Cambrian
    Geologic period that occurred from 570 to 505 million years ago. During this period, invertebrates become common in the oceans and the Burgess Shale was formed.
    Found on http://www.physicalgeography.net/physgeo
    
    
11. 
    Cambrian
    The earliest period of the Paleozoic era, spanning the time between 544 and 505 million years ago. It is named after Cambria, the Roman name for Wales, where rocks of this age were first studied.
    Found on http://geology.er.usgs.gov/paleo/glossar