Silurian
adjective
- geologic period following the Ordovician and preceding the Devonian
Wiktionary
Pronunciation: /saɪˈlʊə.ɹiː.ən/ / /sɪˈlʊɚ.i.ən/ / /sɪˈlɝ.iː.ən/
adj
Etymology: Etymology tree Latin Silurēs Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānus Latin -iānusbor. English -ian English Silurian From Latin Silurēs + English -ian.
- 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 […]”
- Of or related to the Silures, a pre-Roman British tribe.
name
Etymology: Etymology tree Latin Silurēs Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānus Latin -iānusbor. English -ian English Silurian From Latin Silurēs + English -ian.
- The Silurian period.
noun
Etymology: Etymology tree Latin Silurēs Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānus Latin -iānusbor. English -ian English Silurian From Latin Silurēs + English -ian.
- A member of the Silures, an ancient tribe of Britannia.