reduction
/rɪˈdʌk.ʃən/ IELTSAcademic
noun
- 1.
Reduction is a decrease in size, amount, number, or level. It can also mean the act of making something smaller or less.
- There was a reduction in prices last week.
- We need a reduction in traffic noise.
- 2.
In science and mathematics, reduction can mean a process of simplifying or changing something into a simpler form.
- The teacher showed a reduction of the equation.
- This method reduces the problem to one key step.
Adinary Nuance
Reduction is the general word for making something smaller or less. It is broader than cut, which is more casual and often about direct action. It is also more formal than decrease in some contexts, especially in business, science, and writing. Use reduction when you want a noun that sounds clear and official.
In other languages
- Vietnamese
- sự giảm
- Spanish
- reducción
- Chinese
- 减少
- Japanese
- 削減
- Korean
- 감소
Etymology
From Latin reductio, from reducere meaning 'to lead back' or 'bring back'. The word entered English through French in the Middle Ages.
Common phrases
price reductioncost reductionnoise reductiontax reduction
Synonyms
Related words
Frequently asked questions
- Is reduction formal or informal?
- It is fairly formal and common in writing, business, and academic English.
- What is the difference between reduction and decrease?
- Both mean becoming smaller, but reduction often sounds more planned or technical.
- Can I say reduction in prices?
- Yes. It is a very common and natural phrase.
- Is reduction a countable noun?
- Usually it is uncountable in general use, but it can be countable in technical writing.