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 资深译员Daniel,国际知名法学院法律英语专业,擅长翻译涉及工程与建设领域的法律文件。