Emily Dickinson Lexicon

CHRO-MAT'IC, a. [Gr. χρωματικος, from χρωμα, color, from χρωζω, to color. Χροα, χροιζω, seem to be a dialectical orthography of the same word.]

1. Relating to color.
2. Noting a particular species of music, which proceeds by several semitones in succession. – Encyc. Busby.