retrograde inversion

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun music A technique where the composer will take the inversion of the tone row, and write that backwards, thus creating a retrograded inversion of the original note row.
• noun music a composition technique where the composer inverts the retrograde of a melody or makes the retrograde of the inversion of the melody, using only notes in the same key as the original melody