Definition: The spread of ideas, disease, technology, etc. among places.

Examples: The Internet experienced extreme diffusion around the world in the 1990s.

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Your Citation
Rosenberg, Matt. "Diffusion." ThoughtCo, Jun. 18, 2014, thoughtco.com/diffusion-definition-geography-1434703. Rosenberg, Matt. (2014, June 18). Diffusion. Retrieved from https://www.thoughtco.com/diffusion-definition-geography-1434703 Rosenberg, Matt. "Diffusion." ThoughtCo. https://www.thoughtco.com/diffusion-definition-geography-1434703 (accessed March 23, 2018).