Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “code”

See all translations

code

noun uk   /kəʊd/ us    /koʊd/

code noun (LANGUAGE)

B2 [C or U] a system of words, letters, or signs used to represent a message in secret form, or a system of numbers, letters, or signals used to represent something in a shorter or more convenient form: The message was written in code. She managed to decipher/break/crack (= succeed in understanding) the code. Each entry in this dictionary has a grammar code.
More examples

code noun (RULES)

C1 [C] a set of rules that are accepted as general principles, or a set of written rules that say how people in a particular organization or country should behave: Clinics will be subject to a new code of conduct and stronger controls by local authorities. [C] a set of principles that are accepted and used by society or a particular group of people: a moral code a code of behaviour/ethics
More examples

code noun (GENES)

specialized medical [C or U] an arrangement of genetic material in DNA (= the chemical that carries genetic information in cells): genetic codes

code

verb [T] uk   /kəʊd/ us    /koʊd/
to represent a message in code so that it can only be understood by the person who is meant to receive it
(Definition of code from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of code?
Add Cambridge dictionaries to your browser to your website

Definitions of “code” in other dictionaries

Word of the Day

hard luck story

a story or piece of information that someone tells you or writes about himself or herself, intended to make you feel feel sympathy for that person

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More