Or·do·vi·cian
| \ ˌȯr-də-ˈvi-shən
\
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Definition of Ordovician
: of, relating to, or being the period between the Cambrian and the Silurian or the corresponding system of rocks — see Geologic Time Table
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“Ordovician.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ordovician. Accessed 13 Aug. 2022.
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Time Traveler for Ordovician
The first known use of Ordovician was in 1879
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