direct reduction mortgageglossary / direct-reduction mortgage An amortized mortgage in which the principal and interest payments are paid at the same time — usu. monthly in equal amounts — with interest being computed on the remaining balance. — Abbr. DRM. 词条贡献者 译员Jerry,知名法学院知识产权法,专注翻译各种与版权与商标诉讼有关的法律文件。