Cultural diffusion is the spread of cultural beliefs and social activities from one group to another. The mixing of world cultures through different ethnicities, religions and nationalities has increased with advanced communication, transportation and technology. (YourDictionary, 2016)
McDonald's provides us with a great example of Cultural Diffusion... check out this youtube clip on the phenomenon known as "McDonaldization"
Accultration is the cultural modification of an individual, group, or people by adapting to or borrowing traits from another culture; also : a merging of cultures as a result of prolonged contact. (Merriam Webster, 2016)
"Despite definitions and evidence that acculturation entails two-way processes of change, research and theory have continued with a focus on the adjustments and changes experienced by aboriginal peoples, immigrants, sojourners, and other minorities in response to their contact with the dominant majority...
...Thus, acculturation can be conceived to be the processes of cultural learning imposed upon minorities by the fact of being minorities. If enculturation is first-culture learning, then acculturation is second-culture learning. This has often been conceived to be a unidimensional, zero-sum cultural conflict in which the minority's culture is displaced by the dominant group's culture in a process of assimilation. . . " - Craig White, UHCL
Thus, acculturation can be conceived to be the processes of cultural learning imposed upon minorities by the fact of being minorities. - Craig White