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British Dictionary definitions for diminished seventh chord

diminished seventh chord

noun
  1. a chord often used in an enharmonic modulation and very common in modern music, esp jazz and pop music, consisting of a diminished triad with an added diminished seventh above the rootOften shortened to: diminished seventh
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012