nondeterioration

deterioration

[dih-teer-ee-uh-rey-shuhn]
noun
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.

Origin:
1650–60; < Late Latin dēteriōrātiōn- (stem of dēteriōrātiō), equivalent to dēteriōrāt(us) (see deteriorate) + -iōn- -ion

nondeterioration, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Etymonline
Word Origin & History

deterioration
1650s, from Fr. déterioration (15c.), noun of action from détériorer, from L.L. deteriorare (see deteriorate).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

deterioration de·te·ri·o·ra·tion (dĭ-tēr'ē-ə-rā'shən)
n.
The process or condition of becoming worse.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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