diffusion：释义

The process of diffusing or the condition of being diffused.

Needless profusion of words; prolixity.

Physics The scattering of incident light by reflection from a rough surface.

Physics The transmission of light through a translucent material.

Physics The spontaneous intermingling of the particles of two or more substances as a result of random thermal motion.

The spread of linguistic or cultural practices or innovations within a community or from one community to another.