unitas actusglossary / UNITAS ACTUS unitas actus (yoo-ni-tas ak-t[schwa]s). [Latin] Roman law. Unity of action, esp. in the execution of a will, which must not be interrupted by any intervening act. 词条贡献者 资深译员Paloma,毕业于亚洲一流的翻译学院,擅长翻译各类与境外投资相关的法律文件。