Meaning of dissonance

dis•so•nance

Pronunciation: (dis'u-nuns), [key]
— n.
  1. inharmonious or harsh sound; discord; cacophony.
    1. a simultaneous combination of tones conventionally accepted as being in a state of unrest and needing completion.
    2. an unresolved, discordant chord or interval. Cf. consonance (def. 3). See illus. underresolution.
  2. disagreement or incongruity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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