Word.ws English Dictionary

Costonian

Costonian proper noun: an age from 460.9 to 459 million years ago, a subdivision of the Ordovician.

Proper noun

the Costonian

  1. An age from 460.9 to 459 million years ago, a subdivision of the Ordovician.

Questions about Costonian

What does Costonian mean?
Costonian means an age from 460.9 to 459 million years ago, a subdivision of the Ordovician.
What part of speech is Costonian?
Costonian is a proper noun.

Words near Costonian in the dictionary

  1. costomediastinal
  2. Coston
  3. Coston light
  4. Coston lights
  5. costoneural
  6. Costonian
  7. Costons
  8. costophrenic
  9. costoplasties
  10. costoplasty
  11. costopleural

Source and license

Adapted from Wiktionary: Costonian (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: “Costonian.” Word.ws, https://word.ws/costonian. Based on Wiktionary, CC BY-SA 4.0.