Dictionary
de•te•ri•o•ra•tion
Pronunciation: (di-tēr"ē-u-rā'shun), [key]—
n.
1. the act or process of deteriorating.
2. the state or condition of having deteriorated.
3. a gradual decline, as in quality, serviceability, or vigor.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.