Word.ws English Dictionary

Altonian

Altonian proper noun: an age from 19 to 15.9 million years ago, a subdivision of the Miocene.

Proper noun

Altonian

  1. An age from 19 to 15.9 million years ago, a subdivision of the Miocene.

Questions about Altonian

What does Altonian mean?
Altonian means an age from 19 to 15.9 million years ago, a subdivision of the Miocene.
What part of speech is Altonian?
Altonian is a proper noun.

Words near Altonian in the dictionary

  1. Alton Bay
  2. Altona
  3. Altona Meadows
  4. Altona North
  5. Altonah
  6. Altonian
  7. Altoona
  8. altophobia
  9. altoqualine
  10. altos
  11. altoside

Source and license

Adapted from Wiktionary: Altonian (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.

Last updated:

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