diatonicism

noun

di·​a·​ton·​i·​cism

ˌdīəˈtänəˌsizəm

variants or less commonly diatonism

ˈdīəˌtäˌnizəm,

dīˈatəˌn-

plural -s

1

: the quality or state of being diatonic

2

: the use of diatonic harmony

—contrasted with chromaticism

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