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color code

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noun
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.
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Other definitions for color code (2 of 2)

color-code
[ kuhl-er-kohd ]
/ ˈkʌl ərˌkoʊd /

verb (used with object), col·or-cod·ed, col·or-cod·ing.
to distinguish or classify with a color code.

Origin of color-code

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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