noun
definition
The process of making or growing worse, or the state of having grown worse.
synonyms
Examples of deterioration in a Sentence
This leads to deterioration of agriculture and lessens the production.
This deterioration increases with the number of successive copyings.
This was, however, more probably due to the deterioration of the country through desiccation, which has forced the settled population farther westward, where Sana became the centre of the later Himyaritic kingdom.
During recent years the average value of the product has fallen, due apparently to deterioration in'quality.
If there are any cracks or deterioration, do not use until it is repaired.
She appealed to the king's less refined instincts, and Henry's deterioration of character may be dated from his connexion with her.
In some cases, by taking away the strong, self-reliant and energetic, it may result in the deterioration of the home population.
The presence in a metal of even small proportions of arsenide generally leads to considerable deterioration in mechanical qualities.
It is agreed that the first step in the preservation of metal-work against deterioration or corrosion is the obtaining of absolute cleanness of metal before the application of paint or oil.
On the other hand, there has not been any deterioration; all the skill of former days is still active.
An improvement was shown only in the position of employees in smelting works, otherwise a deterioration is to be observed everywhere, most markedly in the textile industry.
In the i4th century there is a significant deterioration in the monastic chroniclers, and their place is taken by the works of secular clergy like Adam Murimuth, Geoffrey the Baker, Robert of Avesbury, Henry Knighton and the anonymous author of the Eulogium historictrum.
We cannot trace the gradations of this political revolution, but we know that it met with determined opposition from the crown, which resulted in the utter destruction of the Arpads, who, while retaining to the last their splendid physical qualities, now exhibited unmistakeable signs of moral deterioration, partly due perhaps to their too frequent marriages with semi-Oriental Greeks and semi-savage Kumanians.
There can be little doubt that all unnatural and artificial modes of life tend to deterioration of the powers of resistance of the organism to disease.
Copper, when pure to start with, suffers considerable deterioration in plasticity.
Most metals when molten are capable of dissolving at least small proportions of carbon, which, in general, leads to a deterioration in metallicity, except in the case of iron, which by the addition of small percentages of carbon gains in elasticity and tensile strength with little loss of plasticity.
There is a deterioration in the diction as well as in the music of poetry.
The compact condition permits the hay to be kept with less deterioration of quality than under the old system of more loose baling.
The tumor is still growing, which means there is still a chance at cognitive deterioration.
If, in these circumstances, the food supply be also insufficient, the combination of influences is sure, in course of time, to bring about a physical deterioration of the race.
It was some time before this was discovered in India, and the result has been the deterioration of much good land.
Only in the very last year of his life was there perceptible a positive deterioration.
Such great works have generally been well constructed, and there are many which after fifty years of use are perfectly sound and water-tight, and afford no evidence of deterioration.
We're testing the growth reactions or rate of deterioration of various organics exposed to a variety of energy and magnetic sources.
You are a sarcastic, trigger-happy gray alien named Crypto whose race faces extinction due to genetic deterioration.
It is a well-ascertained fact that the insulator, gutta-percha, is, when kept under water, practically imperishable, so that it is only the original strength of the sheathing wires and the deterioration allowable in them that have to be considered.
A tenant is not responsible, under such a covenant, for deterioration due to diminution in value caused by lapse of time or by the elements.
When this continues for a length of time it tends by itself to cause deterioration of the blood-vessels and leads to death either by cerebral apoplexy or by cardiac failure.
The surfaces of the dividing prisms must be very exact, so that no deterioration of the image may arise from them.
The process of enfleurage is used in those cases where the odoriferous substance is present to a very small extent, and is so tender and liable to deterioration that it cannot be separated by way of distillation.
It has now been almost 15 years since I contracted this disease, and thankfully, there has been very little further deterioration, and I am still going strong.
It can be upsetting when you notice a deterioration in the health of a cat you care about.
Like their parents, they may take responsibility for the deterioration of their home lives and often feel anger, loneliness, fear, guilt and depression.
When acid free paper is made, a base (to neutralize the naturally occurring acids in the wood pulp) is added to the paper in order to prevent this deterioration from happening.
In this way there is little loss in a single year by deterioration, and the corms, if harvested at the right time and well kept-i.e., cool and dry-will more than repay the labor and trouble involved.
The metal awning itself is protected against rust and deterioration, but the support system that holds it rarely is.
Minnesota Eye Consultants offers an innovative near-vision refractive correction technique to those who have experienced this age-related deterioration of their near vision.
Mold, wood deterioration or rotting baseboards can be a significant and costly problem.
Deterioration is often rapid with symptoms such as seizures, dementia, feeding and speech difficulties, respiratory dysfunction, heart problems, and muscle weakness.
However, when these depressed feelings start to dominate everyday life and cause physical and mental deterioration, they become what are known as depressive disorders.
Other symptoms include tiredness, pain, bone deterioration, broken bones, anemia, and increased bruising.
Unsteadiness when standing still and deterioration of position sense is common.
Although complications from paralysis, hydrocephaly, Chiari II malformation, and urinary tract deterioration threaten the well-being of the survivors, the outlook for normal intellectual function is good.
Controlling blood pressure may slow the rate of deterioration of kidney function.
Pacifier nipples should be examined regularly for deterioration, including tears, frayed edges, holes, or a change in color.
In Keshan Province, China, a condition (Keshan disease) occurs that results in deterioration of regions of the heart and the development of fibers in these areas.
Any deterioration in these particular areas must be documented and reported.
Only within the past few years have stores been established in the foreign settlements for the sale of silver utensils, and already the workmanship on these objects displays palpable signs of the deterioration which all branches of Japanese art have undergone in the attempt to cater for foreign taste.
It cannot be denied that there has been actual deterioration of the native races, and elimination in their numbers, consequent upon contact with Europeans and Americans (see further, Polynesia).
Nevertheless to check our sympathy would lead to the "deterioration of the noblest part of our nature," and the question, which is obviously of vital importance, whether we should obey the dictates of reason, which would urge us only to such conduct as is conducive to natural selection, or remain faithful to the noblest part of our nature at the expense of reason, he leaves unsolved.