diffusion
noun/dɪˈfjuːʒn/
/dɪˈfjuːʒn/
[uncountable]- (formal) the act of spreading something widely in all directions; the fact of being spread in all directions
- the diffusion of Marxist ideas
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- (specialist) the act of slowly mixing a gas or liquid in a substance; the process in which this happens
- the rate of diffusion of a gas
- (formal) the act of making a light shine less brightly by spreading it in many directions
- the diffusion of light by a convex surface
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diffusion