Meaning of Ordovician period in English

1. Pronunciation

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1. Noun

   Ordovician period

   Definitions

   1. from 500 million to 425 million years ago

   Examples

   • « conodonts and ostracods and algae and seaweeds »

Browse dictionary

• Ordovician
• Ordnance Survey
• ordnance stores
• ordnance
• Ordovician period
• ordure
• Ord kangaroo rat
• ore
• Oread