atonality[ā′tō nal′ə tē]
atonality definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Music in composition, the organization of tones in which all tones of the chromatic scale have equal importance, without relation to a tonal center or key; the absence of tonality
atonality definition by American Heritage Dictionary
noun pl. a·to·nal·i·ties Music
- The absence of a tonal center and of harmonies derived from a diatonic scale corresponding to such a center; lack of tonality.
- A style of composition that lacks such a tonal center and its derived harmonies.