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 ?
The performance of private student loans can be expected to deteriorate into 2011.
To cite a recent example, St-Laurent (1991) has written The Care and Handling of Recorded Sound Materials which discusses the physical characteristics of these formats, how they deteriorate, and how best to minimize their deterioration.
From this, they conclude that the gene, and therefore most likely the VNO, began to deteriorate after the split between New and Old World primates but before the Old World monkeys and apes diverged.
Iftikhar Bhatti has urged patients suffering from diabetes and heart diseases must avoid meat, poultry and soft drinks as saying excessive intake of such food and drinks would further deteriorate their health condition.
Truth is, behind the scenes, chemists and materials scientists are still struggling to understand how objects deteriorate. That's the first step to learning how to increase the life spans of the full menagerie of ancient and modern materials treasures, be they Rembrandts, retro medical devices, Barbie dolls, or beetles long extinct.
In older buildings, where fiberglass starts to deteriorate, the air becomes filled with tiny particles that can cause upper respiratory distress, which begins with sneezing, runny noses and sore eyes.
It stated that oppressive measures like detaining leaders like Shabbir Shah won't help instead will deteriorate further the already tense situation in occupied Kashmir.
The respondents were asked whether conditions will ''improve,'' ''improve somewhat,'' ''remain unchanged,'' ''deteriorate somewhat'' or ''deteriorate.''
After a series of owners allowed the property to deteriorate, these two distinguished buildings were foreclosed on and shuttered over three years ago in the wake of an inspection that turned up 250 violations, as well as a drug-dealing operation.
She is critical and keeping her in continuous detention may further deteriorate her health, said Geelani.
Those surveyed are asked whether conditions will ''improve,'' ''improve somewhat,'' ''remain unchanged,'' ''deteriorate somewhat'' or ''deteriorate.''
According to a new General Accounting Office (GAO) study, decades of widespread underinvestment in the nations federal research infrastructure have allowed major facilities across the United States to deteriorate badly.