Word · Frequency #1554
reduction
简化；降低复杂度
the act of reducing complexity; simplification
- 1.
The act, process, or result of reducing.
减少的行为、过程或结果
- 2.
The amount or rate by which something is reduced, e.g. in price.
减少的数量或幅度,例如价格
- 3.
A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
一种获得电子和降低价态的反应；通常通过去除氧或添加氢
- 4.
The process of rapidly boiling a sauce to concentrate it.
快速煮沸酱汁以浓缩的过程
- 5.
The rewriting of an expression into a simpler form.
将表达式重写为更简单形式的过程
- 6.
A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.
将一个问题转化为另一个问题的过程,如映射归约或多项式时间归约
- 7.
An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
为少数人安排的改编,例如基于完整歌剧的键盘独奏
- 8.
A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
一种旨在揭示意识对象为纯粹现象的哲学程序。
- 9.
A medical procedure to restore a fracture or dislocation to the correct alignment, usually with a closed approach but sometimes with an open approach (surgery).
将骨折或脱位恢复至正确对齐的医疗程序,通常采用闭合方法,有时也采用开放方法(手术)。
- 10.
A reduced price of something by a fraction or decimal.
某物价格按分数或小数减少后的价格。
- 11.
The ratio of a material's change in thickness compared to its thickness prior to forging and/or rolling.
材料锻造和/或轧制前后厚度变化之比。
还原；减少的行为、过程或结果；减少的数量或幅度,例如价格；一种获得电子和降低价态的反应；通常通过去除氧或添加氢；快速煮沸酱汁以浓缩的过程
In use
The store offered a 20% reduction on all shoes during the sale.
Cycling to work can result in a significant reduction in air pollution.
We need to make a reduction in the amount of plastic we use.
reduction in sth
表示在某方面的减少。
The company announced a reduction in staff.
公司宣布裁员。
reduction of sth
强调减少的行为或过程。
The reduction of waste is a priority.
减少浪费是优先事项。
a reduction of [amount] in [sth]
具体说明减少的数量或百分比。
There was a reduction of 10% in costs.
Connections
Collocations
- price reduction
- 降价
- The store announced a price reduction on all items.商店宣布所有商品降价。
- cost reduction
- 成本削减
- The company implemented cost reduction measures.公司实施了成本削减措施。
- reduction in emissions
- 排放减少
- There has been a significant reduction in emissions this year.今年排放量显著减少。
- reduction reaction
- 还原反应
- The reduction reaction occurs when oxygen is removed.当氧气被去除时发生还原反应。
- reduction of staff
- 裁员
- The reduction of staff was necessary to cut costs.裁员对于削减成本是必要的。
- significant reduction
Learner notes
Memory Tip
想象一个数字在减少，或化学中氧被去掉，就是reduction（减少/还原）。
Context & Register
用于描述数量、大小、价格等的减少，或化学中的还原反应。通常用于学术、商业或技术语境，语域中性。
Grammar Note
常与介词in或of搭配，表示在某方面或某物的减少。
Pronunciation & Spelling
All listed words share the stressed vowel /ʌ/ and the suffix /kʃən/ (spelled -duction), making them perfect rhymes with 'reduction'.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.