/ ˌsuːpərɪmˈpəʊz; NAmE -ˈpoʊz BrE also ˌsjuː-/ verb [ vn ] superimpose sth (on / onto sth)
1.
to put one image on top of another so that the two can be seen combined :
A diagram of the new road layout was superimposed on a map of the city.
2.
to add some of the qualities of one system or pattern to another one in order to produce sth that combines the qualities of both :
She has tried to superimpose her own attitudes onto this ancient story.
► super·im·pos·it·ion / ˌsuːpərˌɪmpəˈzɪʃn; NAmE ; BrE also ˌsjuː-/ noun [ U ]