mutation
[ C or U ]
a change or changes made to the size or shape of a piece of clothing so that it fits better: （对衣服尺寸和形状的）改动
She's getting some alterations done to her dress.她对衣服做了些改动。
C1[ U ]
the process of changing something: 变化（过程）
The landscape has undergone considerable alteration.这里的风景发生了很大改变。
It was a long haul , but the alterations to the house are finished at last.
Major alterations meant that a large part of the gallery was closed for several years.
They underestimated the cost of alterations and repairs and failed to finish the project.
Any alterations to the original plan have to be approved by the committee.
A network of old tunnels was discovered by workmen making alterations to a property in the old town.

SMART Vocabulary: related words and phrases

Change and changes
adaptive evolution
adjustment
anti-evolutionism
be ahead of the curveidiom
blip
evolutionism
flatten
flip-flop
fluctuation
for a change
reconversion
reformation
regime change
reinterpretation
retransformation
unspooling
unsteadily
unsteady
untick
variation

alteration | Business English

alteration
noun[ C or U ]
uk /ˌɔːltərˈeɪʃən/us
a change in the appearance, character, or structure of something:
an alteration to sthSome alterations to our original plans might be necessary.
If you have made any alterations since you last saved the document, a warning message will appear.
significant/major alterationThe report's recommendations should be adopted without major alteration.

Examples of alteration

alteration
Any alterations at proof stage, apart from the correction of printer's misprints, are expensive and must be avoided.
Major alterations to the text will be accepted only at the author's expense.
In relation to pension spending alterations, the relationship becomes more specific, with rising unemployment and pensioners burdening an already too narrow budgetary system.
The ideologically liberal economic ideas and policy structural alterations that the right implements can have an indirect influence on pension changes.
Given an optimal solution of the primal problem (12), one can analyze under what data alterations this solution remains feasible.
However, this rationalization for the lack of behavioural alterations in infected grass shrimps needs further experimentation.
The next phase of our work focuses on exploring the alterations in physiological mechanisms that might allow for growth of eukaryotic microbes at acid extremes.
As a consequence, viral populations are heterogeneous and dynamic structures composed by ensembles of different genomes evolving in response to environmental alterations.
Broadly speaking these were alterations in the brain and in the social environment of the child.
Such alterations would not affect the nature of second-best pension schemes in a qualitative sense, however.
Parasite-induced alterations in both appearance and behaviour concur to render infected gammarids more vulnerable to predation, thus promoting parasite transmission.
Parasites were observed under a dissecting microscope and alterations in their behaviour noted over time.
Given the extensive interconnections between the amygdala and orbitofrontal regions one might also expect to see alterations in the ventral frontal regions as well.
The fact that alterations in social behavior occur during adolescence is incontrovertible.
Coordination of neural communication and alterations of astroglial neurotransmitter receptor expression could therefore contribute to disturbed catecholamine transmission in mood disorders.
See all examples of alteration
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withalteration

alteration

These are words often used in combination with alteration.

Click on a collocation to see more examples of it.

drastic alteration
It is far too early to make such a drastic alteration as this.
From the
Hansard archive