What does the word diffusion mean?

Usage examples for diffusion

  1. Germans exercise other professions which facilitate the patriotic diffusion of German culture. – South America and the War by F. A. Kirkpatrick
  2. Entail, like primogeniture, has been defended on the ground that it tends to keep large estates intact; but it is now so generally believed that a more widespread diffusion of land is desirable, that it is only necessary here to state the argument. – Practical Politics; or, the Liberalism of To-day by Alfred Farthing Robbins
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