/il'euh noy"euhn/ , n.
1. Geol. the third stage of the glaciation of North America during the Pleistocene.
2. Illinoisan.
adj.
3. Geol. of or pertaining to the Illinoian stage.
4. Illinoisan.
[ 1825-35, Amer.; ILLINOI(S) + -AN ]
/il'euh noy"euhn/ , n.
1. Geol. the third stage of the glaciation of North America during the Pleistocene.
2. Illinoisan.
adj.
3. Geol. of or pertaining to the Illinoian stage.
4. Illinoisan.
[ 1825-35, Amer.; ILLINOI(S) + -AN ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012