Silurian

//sɪˈlʊɚ.i.ən// adj, name, noun

Definitions

Adjective
  1. 1
    Of a geologic period within the Paleozoic era; comprises the Llandovery, Wenlock, Ludlow and Pridoli epochs from about 439 to 409 million years ago.

    "In some places, however, quartz reefs, payably auriferous while in Silurian rock, have been followed down to subjacent granite, and have there been found to thin out and become unprofitable […]"

  2. 2
    Of or related to the Silures, a pre-Roman British tribe.
Proper Noun
  1. 1
    The Silurian period.
Noun
  1. 1
    A member of the Silures, an ancient tribe of Britannia.

Etymology

Etymology 1

From Latin Silurēs + -ian.

Etymology 2

From Latin Silurēs + -ian.

Etymology 3

From Latin Silurēs + -ian.

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