ˌæmplɪfɪˈkeɪʃən ɪnˈlɑː(ɹ)d͡ʒmənt ɪkˈspænʃən ɪnvəˈluːʃən ɹəˈfaɪnmənt developing in intricate and painstaking detail addition of extra material or illustration or clarifying detail a few remarks added in amplification and defense an elaboration of the sketch followed marked by elaborately complex detail a discussion that provides additional information the result of improving something he described a refinement of this technique