Definition of Ordovician in English:
1Of, relating to, or denoting the second period of the Paleozoic era, between the Cambrian and Silurian periods.
- These are overlain by low-grade metamorphosed sediments and volcanics of Ordovician and Silurian age.
- Because of the disparate nature of the Ordovician and Cambrian records, it is difficult to make direct comparison between the two events.
- In contrast, the Ordovician magmatic event postdates the pre-Variscan deformation in the external zone.
1.1 (as noun the Ordovician) The Ordovician period or the system of rocks deposited during it.
Words that rhyme with OrdovicianPriscian
Definition of Ordovician in:
- British & World English dictionary
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