Noun, Noun which may take the genitive case particle 'no'
1. chromatic scaleMusic, See also 全音階
Wikipedia definition
2. Chromatic scaleThe chromatic scale is a musical scale with twelve pitches, each a semitone apart. On a modern piano or other equal-tempered instrument, all the half steps are the same size. An equal tempered chromatic scale is a nondiatonic scale having no tonic because of the symmetry of its equally spaced tones. The most common conception of the chromatic scale before the 13th century was the Pythagorean chromatic scale.
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