chromatic
1. chro.mat.ic \kro--'mat-ik\ \-i-k(*-)le-\ \-'mat-*-.siz-*m\ aj [Gk
chro-matikos, fr. chro-mat-, chro-ma skin, color], modified tone; akin to
OE gre-ot sand - more at GRIT 1a: of or relating to color or color
phenomena or sensations 1b: highly colored 2: of or relating to chroma
3a: of, relating to, or giving all the tones of the chromatic scale 3b:
characterized by frequent use of nonharmonic tones or of harmonies bas ed
on nonharmonic tones - chro.mat.i.cal.ly av
2. chromatic n : ACCIDENTAL