superimposition
cinematic, printing, or graphic technique that consists in composing texts or images in multiple layers, and successively overlaying them on the same support
en-GB/suːpəɹɪmpəzɪʃn/
en-US/ˌsupəˌɪmpəˈzɪʃən/
cinematic, printing, or graphic technique that consists in composing texts or images in multiple layers, and successively overlaying them on the same support