Final answer:
Contagious diffusion is the spread of a cultural trait or idea through direct contact or proximity. An example is the rapid spread of the English language.
Step-by-step explanation:
Contagious diffusion refers to the spread of a cultural trait or idea from one person or place to another through direct contact or proximity. This type of diffusion can occur through various mediums such as person-to-person interaction, migration, or communication technologies. An example of contagious diffusion is the rapid spread of the English language around the world through colonization and globalization.
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