Pronunciation: (ôr'ē-ōl"), [key]
1. a radiance surrounding the head or the whole figure in the representation of a sacred personage.
2. any encircling ring of light or color; halo.
3. Astron.corona (def. 3).
4. Geol.a zone of altered country rock around an igneous intrusion. Also,au•re•o•laPronunciation: (ô-rē'u-lu, u-rē'-). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.