color code: Meaning and Definition of

col'or code"

Pronunciation: [key]
  1. any system of marking or visual designation that uses specific colors for indicating or simplifying, as on a chart or map or in an industrial plant.

col•or-code

Pronunciation: (kul'ur-kōd"), [key]
— -cod•ed, -cod•ing.
  1. to distinguish or classify with a color code.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.