This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. the quality or state of being chromatic

n. the act or action of chromaticizing: the use of chromatic notes or tones (contrasted with diatonicism)

n. In music: The use of chromatic melodies or harmonies, especially when extended or excessive.

n. A chromatic melody, harmony, or passage.

""But he was a very innovative composer, and this music is fabulous — a post-Reger kind of chromaticism, experimental but still with a conservative sound.""

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