expromissioglossary / EXPROMISSIO expromissio (eks-pr[schwa]-mis[h]-ee-oh), n. Roman law. A type of novation by which a creditor accepts a new debtor in place of a former one, who is then released. 词条贡献者 译者Susanne,世界顶尖法学院国际税法专业,擅长翻译各种与联邦税务纠纷相关的法律文件。