diatonicism

diatonicism

[dahy-uh-ton-uh-siz-uhm]
noun
the use of diatonic harmony; composition in a diatonic idiom.

Origin:
1930–35; diatonic + -ism

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World English Dictionary
diatonic (ˌdaɪəˈtɒnɪk)
 
adj
1.  Compare chromatic of, relating to, or based upon any scale of five tones and two semitones produced by playing the white keys of a keyboard instrument, esp the natural major or minor scales forming the basis of the key system in Western music
2.  not involving the sharpening or flattening of the notes of the major or minor scale nor the use of such notes as modified by accidentals
 
[C16: from Late Latin diatonicus, from Greek diatonikos, from diatonos extending, from diateinein to stretch out, from dia- + teinein to stretch]
 
dia'tonically
 
adv
 
diatonicism
 
n

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