impair the quality vs affect the quality

Both 'impair the quality' and 'affect the quality' are correct phrases, but they are used in slightly different contexts. 'Impair the quality' implies a negative impact on the quality, suggesting a reduction or deterioration, while 'affect the quality' is more general and can refer to any kind of influence, positive or negative.

Last updated: March 30, 2024 • 1126 views

impair the quality

This phrase is correct and commonly used in English.

This phrase is used when something causes a negative impact on the quality of something, suggesting a reduction or deterioration.

Examples:

The water damage impaired the quality of the painting.
The outdated equipment impaired the quality of the production.
The lack of sleep impaired the quality of his work.

Show examples from the web [+]

The need for haste, however, must not impair the quality of the legislative groundwork.
The variations in leading dimensions shall not impair the quality of use of the wagon.
Constantly exposing people to background music/sound and noise in public spaces (transport facilities, public sector organisations, shopping centres, etc) can impair the quality of the living environment.
Sedano Bianco di Sperlonga should be grown and prepared in the area mentioned in point 4.3 in order not to impair the quality of the product and in order to ensure its traceability and monitoring.
whereas the use of sewage sludge must not impair the quality of the soil and of agricultural products;
The use of plant protection products has an impact on agricultural eco-systems and can pose a health threat for users, impair the quality of food and have an adverse effect on consumer health if harmful residues of these products are found in food.
For the South African authorities merely intercepting the shipment was not enough, so they took the decision to fumigate part of it using methyl bromide, which can impair the quality of this Murcian export.
vehicles emitting exhaust fumes which may impair the quality of the fishery products not be admitted to markets; undesirable animals must not be admitted;
- Mental health problems are a heavy burden. Everyone knows someone close to them who suffers from mental ill health. Mental health problems impair the quality of life of those who suffer from them and their families. Mental ill health is a major cause of disability.
Outsourcing of important operational functions may not be undertaken in such a way as to impair materially the quality of its internal control and the ability of the supervisor to monitor the firm's compliance with all obligations.
Introducing this type of practice in the European Union would therefore impair the image and quality of European products.
Requirements concerning defects likely to impair quality
market, or cause delays which might impair their quality.
1. The material shall be substantially free from any defects likely to impair their quality as propagating or as planting material.
Rigorous standards apply to waste incinerators, but the emissions caused by the burning of fossil fuels may also impair air quality, and consequently public health.
Such checks shall be carried out as quickly as possible so as not unduly to delay their placing on the market, or cause delays which might impair their quality.
There is therefore no need to use the pressure exerted by the emission of CO 2; it also helps to avoid beer saturation and oxidation processes that might impair its quality.
How can we ask our producers to compete on price with imports that benefit from production costs that are held down through the use of production practices that appreciably impair quality?
bruising unlikely to impair keeping qualities. (SIC! qualities,)
- the notion of an open market must be tempered by the concern not to impair its quality,

Alternatives:

diminish the quality
reduce the quality
degrade the quality
compromise the quality
lower the quality

affect the quality

This phrase is correct and commonly used in English.

This phrase is more general and can refer to any kind of influence on the quality, whether positive or negative.

Examples:

The new software affected the quality of the final product.
The positive feedback affected the quality of her performance.
The change in regulations affected the quality of the service.

Show examples from the web [+]

Monopoly provision may affect the quality of service or the price at which services are offered to the citizens.
Moreover, discrepancies between Member States' legislation with regard to waste disposal and recovery may affect the quality of the environment and the smooth operation of the internal market.
This extension shall not affect the quality of information provided by the computerised bovine database.
that management receives reports from QA concerning problems likely to affect the quality or integrity of a study,
it shall document the duties, responsibilities and authorities of personnel who could affect the quality of the assessment and of the attestation of competence;
We therefore object to a number of the wordings, for example the one stating that emergency plansneed to be set up to cover events such as floods, accidents or infrastructure problems that could affect the quality of bathing water.
Operators with a legality certificate are obliged to report to the CAB any significant changes in ownership, structures, management, and operations that may affect the quality of its legality controls during the period of validity of the certificate.
These particles do not affect the quality of the product.
This does not affect the quality of the honey.
Numerous scientific studies have demonstrated that light and heat adversely affect the quality of olive oils.
It will affect the quality of gifts we receive.
It will affect the quality of gifts we receive.
Inappropriate storage conditions may seriously affect the quality, safety and efficacy of veterinary medicinal products.
Injuries, discoloration, scar tissues or desiccation shall be considered as defects, if they affect the quality and usefulness as propagating material.
Changes to the manufacturing process that negatively affect the quality of the active substance shall be not be implemented.
The report does not provide enough solutions; it is a pity, since the flaws will affect the quality of control.
This is particularly going to affect the quality of life of those living in coastal regions and on island communities.
The physical and chemical risks cannot be ignored as they clearly affect the quality of bathing water.
The presence of these particles does not affect the quality of the product.
Any oxidant present in the sodium pertechnetate (99mTc) solution for injection might adversely affect the quality of the preparation.

Alternatives:

impact the quality
influence the quality
change the quality
modify the quality
shape the quality

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impair the quality vs affect the quality