illinoian

/IH0 L AH0 N OY1 AE0 N/
noun
  1. 1

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

  2. 2

    Alternative form of Illinoisan. [A native or inhabitant of Illinois, United States.]

adjective
  1. 1

    (geology) Of or relating to the Illinoian stage.

  2. 2

    Alternative form of Illinoisan. [Of, from or relating to Illinois, United States.]