Word.ws English Dictionary

Onnian

Onnian proper noun: an age from 453 to 449 million years ago, a subdivision of the Ordovician.

Proper noun

the Onnian

  1. An age from 453 to 449 million years ago, a subdivision of the Ordovician.

Questions about Onnian

What does Onnian mean?
Onnian means an age from 453 to 449 million years ago, a subdivision of the Ordovician.
What part of speech is Onnian?
Onnian is a proper noun.

Words near Onnian in the dictionary

  1. Onn
  2. onna
  3. onnagata
  4. onnagatas
  5. onned
  6. Onnian
  7. onning
  8. ono
  9. onocentaur
  10. onocentaurs
  11. onoceradiene

Source and license

Adapted from Wiktionary: Onnian (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “Onnian.” Word.ws, https://word.ws/onnian. Based on Wiktionary, CC BY-SA 4.0.