Ordovician

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adjective Or·do·vi·cian \ˌȯr-də-ˈvi-shən\

Definition of Ordovician

  1. :  of, relating to, or being the period between the Cambrian and the Silurian or the corresponding system of rocks — see geologic time table

Ordovician

noun

Origin and Etymology of ordovician

Latin Ordovices, ancient people in northern Wales


First Known Use: 1879

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holding stubbornly to a belief or view

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