Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “code”

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.

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

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

mutant

an organism that is different from others of its type because of a permanent change in its genes

Word of the Day

What’s that lovely smell?

by Kate Woodford​,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More