Word · Frequency #16714
dispersion
分散;散布
the process of dispersing or the state of being dispersed
- 1.
The state of being dispersed.
分散的状态。
- 2.
A process of dispersing.
分散的过程。
- 3.
The degree of scatter of data.
数据的离散程度。
- 4.
The separation of waves of different frequency in space or time; the amount of such separation.
不同频率的波在空间或时间上的分离;这种分离的量。
- 5.
The removal of inflammation.
消除炎症。
离散度;离散程度;色散;频散;消散;消退;分散的状态。;分散的过程。
In use
The dispersion of seeds by the wind helps plants colonize new areas.
In optics, the dispersion of white light into colors is caused by a prism.
The dispersion of data points on the graph shows high variability.
the dispersion of [sth]
The dispersion of seeds by wind is a natural process.
种子被风散布是一个自然过程。
[sth] shows/undergoes dispersion
Light shows dispersion when passing through a prism.
光通过棱镜时发生色散。
dispersion in/within [sth]
Connections
Collocations
- population dispersion
- 种群分散
- The population dispersion of the species varies with the seasons.该物种的种群分散随季节变化。
- data dispersion
- 数据离散程度
- The data dispersion was measured using standard deviation.使用标准差测量数据的离散程度。
- angular dispersion
- 角色散
- A prism causes angular dispersion of white light.棱镜使白光发生角色散。
- dispersion relation
- 色散关系
- The dispersion relation describes how wave speed depends on frequency.色散关系描述波速如何随频率变化。
- particle dispersion
- 颗粒分散
- The paint requires good particle dispersion for a smooth finish.这种涂料需要良好的颗粒分散才能获得光滑表面。
Learner notes
Memory Tip
联想dis-有“分开”的意思,pers-近似person(人):人群四散开去,这种分散的状态就是dispersion;数据点散得开也叫离散度。
Context & Register
语域:mixed 常见场景:物理学、统计学、学术写作 dispersion 在口语中较少见,多用于正式或专业语境;在物理学、统计学等领域中是标准术语,日常表达“分散、散布”时常用 spread。
Grammar Note
通常不可数,但复数形式 dispersions 用于指多种分散现象或具体实例。
Pronunciation & Spelling
这些词在标注的英式发音中都含重读的 /ɜː/ + /ʃən/,因此与 dispersion 押韵。注意:-sion 结尾在美式英语中常读作 /ʒən/(如 version、diversion、immersion),不要只看拼写;另如 disperse /dɪˈspɜːs/、dispersal /dɪˈspɜːsəl/ 与 dispersion 拼写相近但读音不同。
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.