1) Chromatology 1) Computer hardware company 2) Scientific study of colors 3) The science of colors 
[graphics] Chromatics Inc. was a color graphics display manufacturer based in Tucker, Georgia. Their systems predated the personal computer era of inexpensive graphics displays, and were typically used as peripheral devices, connected to a mainframe or minicomputer. In some configurations, a Chromatics graphics terminal could be used as a s...
• (n.) The science of colors; that part of optics which treats of the properties of colors.
Chro·mat'ics noun The science of colors; that part of optics which treats of the properties of colors. 
Chromatics is the science of colours, and particularly that part of optics which deals with the properties of colours.
the science of colors. Also called