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'''Dissonance''' has several meanings, all related to conflict  or incongruity:

'''Dissonance''' has several meanings, all related to conflict  or incongruity:

*In [[music]], a consonance (Latin com-, "with" + sonare, "to [[sound]]") is a [[harmony]], chord, or interval considered [[stable]], as [[opposed]] to a [[dissonance]] (Latin dis-, "apart" + sonare, "to sound") — considered unstable (or temporary, [[transitional]]). The strictest definition of consonance may be only those sounds that are [[pleasant]], while the most general definition includes any sounds used freely.[http://en.wikipedia.org/wiki/Consonance_and_dissonance]

*In [[music]], a consonance (Latin com-, "with" + sonare, "to [[sound]]") is a [[harmony]], chord, or interval considered [[stable]], as [[opposed]] to a dissonance  (Latin dis-, "apart" + sonare, "to sound") — considered unstable (or temporary, [[transitional]]). The strictest definition of consonance may be only those sounds that are [[pleasant]], while the most general definition includes any sounds used freely.[http://en.wikipedia.org/wiki/Consonance_and_dissonance]

*Dissonance in [[poetry]] is the deliberate avoidance of [http://en.wikipedia.org/wiki/Assonance assonance], i.e. [[patterns]] of repeated vowel [[sounds]]. Dissonance in poetry is similar to [[cacophony]] and the opposite of [http://en.wikipedia.org/wiki/Euphony euphony].

*Dissonance in [[poetry]] is the deliberate avoidance of [http://en.wikipedia.org/wiki/Assonance assonance], i.e. [[patterns]] of repeated vowel [[sounds]]. Dissonance in poetry is similar to [[cacophony]] and the opposite of [http://en.wikipedia.org/wiki/Euphony euphony].