chromatic
adjective /krəˈmætɪk/
/krəˈmætɪk/
(music- of the chromatic scale, a series of musical notes that rise and fall in semitones
compare diatonic半音(阶)的 词源early 17th cent.: from French chromatique or Latin chromaticus, from Greek khrōmatikos, from khrōma, khrōmat- ‘colour, chromatic scale’.