Ordovician

See also: ordovician

English

Etymology

    Etymology tree
    Proto-Indo-European *h₃erg-der.?
    Proto-Indo-European *dʰeh₁-der.?
    Proto-Celtic *ordosder.
    Proto-Indo-European *weyk-der.
    Proto-Celtic *wiketider.
    Latin Ordovīcēslbor.
    English Ordovices
    Latin -iānusbor.
    English -ian
    English Ordovician

    From Ordovices +‎ -ian. Coined by English geologist Charles Lapworth in 1879 after the Celtic tribe of the Ordovices.

    Adjective

    Ordovician (comparative more Ordovician, superlative most Ordovician)

    1. (geology) Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago.
      • 2022, Thomas Halliday, Otherlands, Penguin, published 2023, page 205:
        Against the dark Ordovician gabbro, the black volcanic base, Rhynie is a streak of technicolour.

    Proper noun

    Ordovician

    1. (geology) The Ordovician period.

    Translations

    See also

    • Appendix:Geologic timescale
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