colour code

British

noun

a system of easily distinguishable colours, as for the identification of electrical wires or resistors

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The document uses a colour code to compare the company's UK-wide tests and treatment options and states that it is intended to help staff improve clinical care.

From BBC • Jan. 12, 2026

Instead, it has to be made, mainly in two ways, each marked by a colour code.

From BBC • May 24, 2022

“I colour code them so when you’ve got conversations you know who’s speaking when.”

From The Guardian • Nov. 16, 2019

In a 2D colour code architecture augmented with 3D gauge colour code T-gate stations, logical qubits would be shuttled to T-gate stations when a T gate needs to be implemented.

From Nature • Sep. 12, 2017

The 3D colour code does not have the symmetry between X and Z parity checks, and so lacks a transversal H gate.

From Nature • Sep. 12, 2017

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023