alteration
nounOPAL W
  /ˌɔːltəˈreɪʃn/
  /ˌɔːltəˈreɪʃn/
 - [countable] a change to something that makes it different- major/minor alterations
- alteration to something They are making some alterations to the house.
- alteration in something an alteration in the baby’s heartbeat
 Extra Examples- We will have to make a slight alteration to the plans.
- There will be no alteration in corporation tax.
 Oxford Collocations Dictionaryadjective- dramatic
- extensive
- fundamental
- …
 - carry out
- do
- make
- …
 - alteration in
- alteration to
 
- [uncountable] the act of making a change to something- The dress will not need much alteration.
 Oxford Collocations Dictionaryadjective- dramatic
- extensive
- fundamental
- …
 - carry out
- do
- make
- …
 - alteration in
- alteration to
 
Word Originlate Middle English: from Old French, or from late Latin alteratio(n-), from the verb alterare, from Latin alter ‘other’.