superductio
superductio (s[y]oo-p[schwa]r-d[schwa]k-shee-oh), n. [Latin] Roman law. The obliteration of part of a will or other document by writing over something erased within it. Pl. superductiones (s[y]oo-p[schwa]r-d[schwa]k-shee-oh-neez).