Pronunciation: (ō'vur-ik-spō'zhur), [key]
1. excessive exposure, esp. of photographic film or a sensitized plate to light rays.
2. the condition of having been seen, heard, or advertised so frequently or for so long that freshness or appeal is diminished.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.