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color-code

[kuhl-er-kohd]
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verb (used with object), col·or-cod·ed, col·or-cod·ing.
  1. to distinguish or classify with a color code.

Origin of color-code

First recorded in 1955–60

color code

noun
  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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018