Word.ws English Dictionary

Illinoian

Syllables: Ill·i·noi·anUS/ˌɪləˈnɔɪən/

Illinoian adjective: of or relating to the Illinoian stage. Also the alternative form of Illinoisan.

Adjective

Illinoian (not comparable)

  1. Of or relating to the Illinoian stage.
    • the Illinoian glaciation

Proper noun

the Illinoian

  1. A stage of the last Ice Age in North America, lasting from around 190,000 to 130,000 years ago.

Also used as

Illinoian is also the alternative form of Illinoisan.

Forms of Illinoian

pluralIllinoians

Origin of Illinoian

From Illinois + -an.

Questions about Illinoian

What does Illinoian mean?
Illinoian means of or relating to the Illinoian stage.
What part of speech is Illinoian?
Illinoian can be an adjective or a proper noun.
How do you pronounce Illinoian?
Illinoian is pronounced /ˌɪləˈnɔɪən/ (US).

Words near Illinoian in the dictionary

  1. illinition
  2. illinitions
  3. illinium
  4. Illinivka
  5. Illiniwek
  6. Illinoian
  7. Illinoians
  8. Illinois
  9. Illinois nut
  10. Illinois nuts
  11. Illinois River

Source and license

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