diffusionism

dif·fu·sion·ism

[dih-fyoo-zhuh-niz-uhm]
noun Anthropology.
the theory or principle that diffusion is the main force in cultural innovation and change.

Origin:
1935–40; diffusion + -ism

dif·fu·sion·ist, noun, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Diffusionism is always a great word to know.
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a chattering or flighty, light-headed person.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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