/ krəˈmætɪk; NAmE / adjective
( music ) of the chromatic scale , a series of musical notes that rise and fall in semitones / half tones
—compare diatonic
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WORD ORIGIN
early 17th cent.: from French chromatique or Latin chromaticus , from Greek khrōmatikos , from khrōma , khrōmat- colour, chromatic scale.