dif·fu·sion·ist
di-ˈfyü-zhə-nəst 
: an anthropologist who emphasizes the role of diffusion in the history of culture rather than independent invention or discovery
diffusionist
adjective
dif·fu·sion·ism
-zhəˌnizəm
: a theory in anthropology: widely separated cultural similarities are evidence of historical contact
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“Diffusionist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diffusionist. Accessed 6 Jul. 2026.
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