Look up: silurian

1. 
   Silurian
   The Silurian was the fifth geological period, 335,000,000 years ago. This period marked the appearance of the first land plants.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   Silurian
   A geological period; the third of the Paleozoic Era from 443 to 416Ma. The fossil record from this period includes a huge variety of marine fossils, land plants and early invertebrate land animals.
   Found on http://www.geologyrocks.co.uk/glossary/l
   
   
3. 
   Silurian
   [n] - from 405 million to 425 million years ago
   Found on http://www.webdictionary.co.uk/definitio
   
   
4. 
   Silurian
   the period of geological time between 440 and 410 million years ago. The name comes from the Silures, a tribe of Celts. See Geological Timescale
   Found on http://www.sedgwickmuseum.org/education/
   
   
5. 
   Silurian
   A class of papers where the pulp is coloured separately with fast dyestuffs, darker fibres being added to produce a mottle-like appearance.
   Found on http://www.europointdisplay.co.uk/Useful
   
   
6. 
   Silurian
   A geological era lasting from approximately 438 to 408 million years ago.
   Found on http://www.blackwellpublishing.com/Towns
   
   
7. 
   Silurian
   Si·lu'ri·an adjective [ From Latin Silures , a people who anciently inhabited a part of England and Wales.] (Geol.) Of or pertaining to the country of the ancient Silures; -- a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country. » The Silurian formation, so named by Murchison, is divided into the ...
   Found on http://www.encyclo.co.uk/webster/S/103
   
   
8. 
   Silurian
   Si·lu'ri·an noun The Silurian age.
   Found on http://www.encyclo.co.uk/webster/S/103
   
   
9. 
   silurian
   <geology> Of or pertaining to the country of the ancient Silures; a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country. ... The Silurian formation, so named by Murchison, is divided into the Upper Silurian and Lower Silurian. The lower part of the Lower Silurian ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
10. 
    Silurian
    Silurian period noun from 425 million to 405 million years ago; first air-breathing animals
    Found on http://wordnet.princeton.edu/perl/webwn?
    
    
11. 
    Silurian
    The `Silurian` is a major division of the geologic timescale that extends from the end of the Ordovician period, about 443.7 ñ 1.5 Ma (million years ago), to the beginning of the Devonian period, about 416.0 ñ 2.8 Ma . As with other geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by 5-10 million years. The base of the Silurian is set at a major extinction event when 60%...
    Found on http://en.wikipedia.org/wiki/Silurian
    
    
12. 
    Silurian
    • (n.) The Silurian age. • (a.) Of or pertaining to the country of the ancient Silures; -- a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country.
    Found on http://thinkexist.com/dictionary/meaning
    
    
13. 
    Silurian
    Geologic period that occurred roughly 408 to 438 million years ago. During this period, the first plant and insect species appear.
    Found on http://www.physicalgeography.net/physgeo
    
    
14. 
    Silurian
    A period of the Paleozoic, spanning the time between 440 and 410 million years ago. It is named after a Celtic tribe called the Silures.
    Found on http://geology.er.usgs.gov/paleo/glossar