Definition of Silurian. Meaning of Silurian. Synonyms of Silurian

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Definition of Silurian

Silurian
Silurian Si*lu"ri*an, a. [From L. 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. Note: The Silurian formation, so named by Murchison, is divided into the Upper Silurian and Lower Silurian. The lower part of the Lower Silurian, with some underlying beds, is now separated under the name Cambrian, first given by Sedwick. Recently the term Ordovician has been proposed for the Lower Silurian, leawing the original word to apply only to the Upper Silurian.
Silurian
Silurian Si*lu"ri*an, n. The Silurian age.

Meaning of Silurian from wikipedia

- The Silurian (/sɪˈljʊəri.ən, saɪ-/ sih-LURE-ee-ən, sy-) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period...
- The Silurian hypothesis is a thought experiment which ****esses modern science's ability to detect evidence of a prior advanced civilization, perhaps several...
- sometimes known as the end-Ordovician m**** extinction or the Ordovician-Silurian extinction, is the first of the "big five" major m**** extinction events...
- The Silurian is the geological period and system lasting roughly from 445 million years ago to 415 million years ago. Silurian may also refer to: Silurian...
- The Silurians are a race of reptilian humanoids in the long-running British science fiction television series Doctor Who, who first appeared in Doctor...
- Doctor Who and the Silurians is the second serial of the seventh season in the British science fiction television series Doctor Who. It was first broadcast...
- into six geologic periods (from oldest to youngest): Cambrian Ordovician Silurian Devonian Carboniferous Permian Some geological timescales divide the Paleozoic...
- of the Cambrian Period 485.4 Ma (million years ago) to the start of the Silurian Period 443.8 Ma. The Ordovician, named after the Welsh tribe of the Ordovices...
- The Silurian-Devonian Terrestrial Revolution, also known as the Devonian Plant Explosion (DePE) and the Devonian explosion, was a period of rapid colonization...
- ago) occurred at the beginning of the Silurian Period. The Llandoverian Epoch follows the m****ive Ordovician-Silurian extinction events, which led to a large...