Deterioration


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deterioration

[di‚tir·ē·ə′rā·shən]
(engineering)
Decline in the quality of equipment or structures over a period of time due to the chemical or physical action of the environment.

Deterioration

A worsening of a structure’s condition, generally attributable to exposure, weather, normal wear and tear, aging, or lack of maintenance.

deterioration

Of concrete, the same as disintegration.
References in periodicals archive ?
Schweitzer's words completely apply to what we are currently going through in Egypt; the moral and social deterioration that affects almost all aspects of life in Egypt.
We are pleased that pool industry members are interested in our future studies and the potential solutions to the etching deterioration.
We recorded age, sex, neurologic status, tumor site and size, extent of PTVE according to Trittmatcher's criteria (13) (none, perifocal, or hemispheric), previous history of meningioma resection, extent of present resection (total or subtotal), intraoperative technical difficulties (difficult approach because of tumor vascularity and invasiveness with subsequent increased surgical manipulation and trauma), pre- and postoperative 7-day course of serum S-100B values, postoperative neurologic deterioration and computerized tomography (CT) scan, cause of deterioration (hematoma with shift, increase of edema, or ischemic changes), histologic type based on WHO classification (2,14), and 6-month Glasgow Outcome Scale (15).
This will lead to neglect and deterioration of buildings.
Joffe H, Cohen LS and Harlow BL, Impact of oral contraceptive pills on premenstrual mood: predictors of improvement and deterioration, American Journal of Obstetrics and Gynecology, 2003, 189(6):1523-1530.
That's an awful lot of people who are out there doing great things on the hardwood, and so, please, everyone, stop bugging us with the nonsense about deterioration.
The Court of Claims, the Tax Court and other courts have all repeatedly concluded that the cost of work performed to correct deterioration not originally foreseeable is currently deductible, provided it does not increase the value or useful life of the asset prior to its deterioration; see Niagara Mohawk Power Corp.
But if we allow the core of our suburban communities to enter a cycle of decline, our victory over urban deterioration may become nothing more than an economic Dunkirk.
He cites studies suggesting that certain substances could minimize mental deterioration, including estrogen therapy for women, nonsteroidal anti-inflammatories (which might prevent the development of Alzheimer's), and vitamin E, which may have value in fighting neurodegeneration.
Predicting corn seed deterioration would be extremely beneficial to seed producers, since seed is frequently stored from one year to the next.
has largely ignored, either out of deference to landlords or misguided sympathy for low-income residents, the deterioration of its rental housing.
The types of residents who benefit from this structured activity program include those with a Global Deterioration Score (GDS) of Stage 5 to 6[4, 5] or a Mini Mental Score of 5 to 20.