Final answer:
The term that describes the gap of time between the introduction of material culture and the acceptance of nonmaterial culture is cultural lag.
Step-by-step explanation:
Cultural lag is the term that describes the gap of time between the introduction of material culture and the acceptance of nonmaterial culture. It refers to the delay in changes in our nonmaterial or symbolic culture that lag behind material or technological innovations. A classic example of cultural lag is the introduction of new technologies like smartphones, which took some time for society to adapt to and fully accept.
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