Word · Frequency #26830
attenuation
衰减；减弱
weakening in force or intensity
- 1.
A gradual diminishing of strength.
力量的逐渐减弱。
- 2.
A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal.
某种属性随距离而降低,特别是波的振幅或信号强度。
- 3.
A weakening in the virulence of a pathogen or other microorganism.
病原体或其他微生物毒力的减弱。
- 4.
The tapering of a leaf etc to a fine point.
叶子等逐渐变细至尖端。
- 5.
A fabrication process in which a material is stretched out into a thin shape.
将材料拉伸成薄形的制造工艺。
- 6.
The reduction of the active principles of medicines to minute doses.
将药物有效成分减少至微小剂量。
- 7.
The proportion of sugar that is converted to ethanol by a yeast.
糖被酵母转化为乙醇的比例。
变稀薄；变纤细；力量的逐渐减弱。；某种属性随距离而降低,特别是波的振幅或信号强度。；病原体或其他微生物毒力的减弱。；叶子等逐渐变细至尖端。
In use
The attenuation of the radio signal made it difficult to hear the weather report.
The attenuation of sound by these thick panels is remarkable.
The gradual attenuation of sunlight in the fog created a soft glow.
attenuation of sth
常用介词 of 引出被减弱的对象。
The attenuation of the radio signal made communication difficult.
无线电信号的衰减使通信变得困难。
attenuation in sth
in 引出减弱发生的方面或范围。
There was a noticeable attenuation in the intensity of the storm.
暴风雨的强度明显减弱。
undergo attenuation
undergo 与 attenuation 搭配，表示“经历衰减”。
Connections
Collocations
- signal attenuation
- 信号衰减
- The signal attenuation in the cable increased with distance.电缆中的信号衰减随距离增加而增大。
- attenuation coefficient
- 衰减系数
- The attenuation coefficient of the material determines how much energy is lost.材料的衰减系数决定了损失多少能量。
- noise attenuation
- 噪声衰减
- Noise attenuation is essential in the design of acoustic panels.噪声衰减在声学面板的设计中至关重要。
- sound attenuation
- 声音衰减
- Sound attenuation in the tunnel was measured after installation.安装后测量了隧道中的声音衰减。
- attenuation factor
- 衰减因子
- We applied an attenuation factor to correct the measurements.我们应用衰减因子来修正测量值。
Learner notes
Memory Tip
联想一根线被拉长后越来越细、信号越来越弱，就是 attenuation（衰减）。
Context & Register
语域：formal 常见场景：学术论文、技术说明书、物理或工程书籍 该词属正式、偏科技术语，通常用于学术或专业书面语境，多出现在物理、工程等领域；日常口语中很少使用。在专业语境中常指力量、强度或密度的减弱。
Pronunciation & Spelling
These words all end in the letters '-ation' and are pronounced with a final stressed /eɪʃən/, like attenuation. Beware of lookalikes such as 'attenuate' /əˈten.ju.eɪt/, which ends with /eɪt/ and does not rhyme.
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.