diffusion是什么意思

diffusion

英[d?'fju:?n] 美[d??fju??n]

n. 扩散，传播，漫射；

副词：diffusely;

名词：diffuseness;

形容词：diffuse;

同义词

diffusion的同义词之：
extension

柯林斯高阶英汉双解学习词典释义

V-ERG

(使）（知识、消息等)传播；（使）散布；（使）普及

If something such as knowledge or information is diffused, or if it diffuses somewhere, it is made known over a wide area or to a lot of people.
例句
Over time, the technology is diffused and adopted by other countries. 久而久之，这项技术传播到了其他国家并得到利用。 ...an attempt to diffuse new ideas... 传播新思想的尝试
VERB

宣泄，舒缓(尤指不良情绪)

To diffuse a feeling, especially an undesirable one, means to cause it to weaken and lose its power to affect people.
例句
The arrival of letters from the Pope did nothing to diffuse the tension. 教皇的来信并没有缓解紧张的气氛。
VERB

使(光)漫射;使发散

If something diffuses light, it causes the light to spread weakly in different directions.
例句
Diffusing a light also reduces its power... 使灯光漫射也会降低其强度。 The sun slid behind trees, its last light diffused by wintry branches. 太阳躲到了树后，余晖透过冬日的树枝洒落下来。
V-ERG

（使）扩散;（使）弥漫;（使）渗透

To diffuse or be diffused through something means to move and spread through it.
例句
It allows nicotine to diffuse slowly and steadily into the bloodstream... 它能使尼古丁平稳缓慢地渗透到血液里。 It created a glowing centre of warmth that quickly diffused through my limbs... 它形成了一个温暖的热源，热量迅速扩散至我的四肢。
ADJ-GRADED

散布的;分散的;弥漫的

Something that is diffuse is not directed towards one place or concentrated in one place but spread out over a large area.
例句
...a diffuse community... 分散的社群 A cold, diffuse light filtered in through the skylight. 一道冰冷的光线透过天窗漫射进来。
ADJ-GRADED

含糊不清的;难以理解的

If you describe something as diffuse, you mean that it is vague and difficult to understand or explain.
例句
His writing is so diffuse and obscure that it is difficult to make out what it is he is trying to say. 他的文章含混晦涩，让人看后不知所云。

英汉词典释义

n.
扩散;散布;弥漫
<物,化>扩散;漫射
equation of convective diffusion 对流扩散方程 ionic diffusion in solution 溶液中离子的扩散
<人>(文化等的)传流
the diffusion of knowledge through books and lectures 通过书本和授课进行的知识传播
冗长;散乱
传播;普及

英英词典释义

Noun
1. (physics) the process of diffusing; the intermingling of molecules in gases and liquids as a result of random thermal agitation
2. the spread of social institutions (and myths and skills) from one society to another
3. the property of being diffused or dispersed
4. the act of dispersing or diffusing something;
"the dispersion of the troops""the diffusion of knowledge"

行业词典

体育：扩散；
冶金学：扩散；
力学：扩散；
化工：扩散；
医学：弥散，扩散：变为弥散或广泛分布的过程；溶液中的分子或其他粒子以其随机性热运动进行的自动运动，使整个溶剂达到均匀浓度。此过程无需对该系统供应能量；透析：见dialysis；免疫扩散：见immunodiffusion；
地质学：扩散作用；
数学：扩散；
水利：扩散；通过分子运动或流体紊动的随机分散作用使原本分布不均匀的流体属性及其含有物趋于局部均化的过程。；
物理学：扩散置限聚集；diffusion-limited aggregation, DLA；
电子学：扩散；
电工：漫射；
石油：扩散；
航天：扩散；

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