Word · Frequency #12694
diffusion
散布；分散
the act of spreading something widely, or the state of being spread out
- 1.
The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
扩散；散布；分散
- 2.
The scattering of light by reflection from a rough surface, or by passage through a translucent medium.
光经粗糙表面反射或透过半透明介质时的散射
- 3.
The intermingling of the molecules of a fluid due to random thermal agitation.
流体分子因随机热运动而相互混合
- 4.
The spread of cultural or linguistic practices, or social institutions, in one or more communities.
文化、语言习俗或社会制度的传播
- 5.
The gradual spread and adoption of goods or services.
商品或服务的逐渐传播与采用
- 6.
Exchange of airborne media between regions in space in an apparently random motion of a small scale.
空间区域间气载介质的小尺度随机交换
- 7.
The movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
水蒸气从高浓度(高水汽压)区域向低浓度区域的移动
扩散；传播；普及；漫射；散射；扩散；散布；分散；光经粗糙表面反射或透过半透明介质时的散射
In use
The diffusion of perfume molecules through the air explains how a scent travels.
The diffusion of new technology across the globe has accelerated in recent decades.
Oxygen diffusion in the lungs is essential for respiration.
the diffusion of [sth]
The diffusion of oxygen through the membrane is slow.
氧气通过膜的扩散很慢。
[adj/noun] diffusion
在社会科学中，'diffusion'常译为'传播'。
Cultural diffusion has accelerated with globalization.
文化传播随着全球化而加速。
diffusion into [sth]
Connections
Collocations
- gas diffusion
- 气体扩散
- Gas diffusion is faster at higher temperatures.气体扩散在较高温度下更快。
- cultural diffusion
- 文化扩散
- Cultural diffusion has accelerated with the rise of the internet.随着互联网的兴起，文化扩散加速了。
- diffusion process
- 扩散过程
- The diffusion process in solids is much slower than in liquids.固体中的扩散过程比液体中慢得多。
- diffusion of innovation
- 创新扩散
- The diffusion of innovation often follows an S-curve pattern.创新扩散通常遵循S曲线模式。
Synonyms
- spread
- 扩散 · 范围更广，可指任何蔓延，不限于物理过程。
Learner notes
Memory Tip
想象一滴墨水在清水中缓缓扩散，即diffusion。
Context & Register
通常用于学术或专业语境，如物理学中的粒子扩散或社会学中的文化传播，比较常见于正式书面语。
Grammar Note
一般不可数，但表示具体扩散实例时可数
Pronunciation & Spelling
All listed words end with the suffix -sion and share the stressed vowel /uː/ followed by /ʒən/, making them perfect rhymes with diffusion.
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.