n.[U]

1. 扩散，散播
   Clouds cause the diffusion of light from the sun.

   云使阳光漫射。

2. 传播；普及
3. 冗长；散乱
4. 【物】漫射；扩散

n.

1. the action or process of diffusing.
   ▸Anthropology  the dissemination of elements of culture to another region or people.
2. [as modifier] denoting a range of relatively inexpensive garments produced for the mass market by a fashion designer.