color code

¹

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.

color-code

²

[ kuhl-er-kohd ]

verb (used with object)

, col·or-cod·ed, col·or-cod·ing.

1. to distinguish or classify with a color code.

Word History and Origins

Origin of color code¹

First recorded in 1955–60

Example Sentences

Another option foregoes the color codes and explicitly details the high content of such ingredients.

From Salon

The volcano’s alert level was raised to warning status and the aviation color code went to red as scientists evaluate the eruption and associated hazards.

From Seattle Times

At the same time, the color code provides information that can be measured by entropy.

From Scientific American

It's not legislation to have to put on the front and color code it so that a busy working parent can decide.

From Salon

The observatory has also changed its aviation color code warning for aircraft.

From Seattle Times