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.encyclo.co.uk/local/20206

Silurian

[n] - from 405 million to 425 million years ago
Found on http://www.webdictionary.co.uk/definition.php?query=Silurian

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/glossary.html

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.roberthorne.co.uk/contact/glossary/

Silurian

A geological era lasting from approximately 438 to 408 million years ago.
Found on http://www.blackwellpublishing.com/Townsend/Glossary/GlossaryS.html

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 devel...
Found on http://www.encyclo.co.uk/webster/S/103

Silurian

Si·lu'ri·an noun The Silurian age.
Found on http://www.encyclo.co.uk/webster/S/103

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 Siluria...
Found on http://www.encyclo.co.uk/local/20973

Silurian

Silurian period noun from 425 million to 405 million years ago; first air-breathing animals
Found on http://wordnetweb.princeton.edu/perl/webwn?s=Silurian

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/silurian/

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/physgeoglos/s.html

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/glossary.shtml

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.probertencyclopaedia.com/browse/HS.HTM

Silurian

geological period from 440 to 395 million years ago. See time table.
Found on http://www.seafriends.org.nz/books/glossary.htm

Silurian

[Doctor Who] The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians, and were created by Malcolm Hulke. The first Silurians introduced are depicted as prehistoric and scient...
Found on http://en.wikipedia.org/wiki/Silurian_(Doctor_Who)

Silurian

The Silurian is a geologic period and system that extends from the end of the Ordovician Period, about {Geologic Ages Inline|Silurian} million years ago (mya), to the beginning of the Devonian Period, about {Geologic Ages Inline|Devonian} mya {ICS 2004}. As with other geologic periods, the rock beds that define the period`s start and end are well....
Found on http://en.wikipedia.org/wiki/Silurian

SILURIAN

A period of the Paleozoic, thought to have covered the span of time between 443 and 417 million years ago; also, the corresponding system of rocks. The Silurian follows the Ordovician and precedes the Devonian; in the older literature, it was sometimes considered to include the Ordovician. It is named after the Silures, a Celtic tribe.
Found on http://www.isgs.illinois.edu/glossary.shtml

Silurian

The period of time between 417 and 443 million years ago.
Found on http://www.bgs.ac.uk/discoveringGeology/glossary.html
No exact match found