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English definition of “code”

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code

noun
 
 
/kəʊd/
[C or U] a set or system of numbers, letters, or signs which is known only to particular people and represents something that is secret: access/security code You need an access code to get into the building.in code The message was written in code.
[C] a system of words, letters, or signs which is used to represent something so that it is easy to know which thing or type of thing it is: product/identification code The FDA Product Code describes a product or a group of products. We will give you a unique code to use when you make a booking.
[U] IT the letters, numbers, words, and symbols used for writing computer programs: computer/digital code Java computer code write/generate/execute code
[C] a set of principles, or a set of rules which state how people in a particular organization, job, etc. should behave: abide by/follow a code All our members follow a strict professional code. He has his own moral code for the way he does business. a code of behaviour/conduct
[C, usually singular] LAW a set of rules or laws: the state's legal code Their aim is to work out a code to end sweatshops.
→  See also area code , authorization code , bar code , building code , business activity code , City Code , dialling code , dress code , error code , Internal Revenue Code , machine code , sort code , source code , tax code , Universal Product Code
(Definition of code from the Cambridge Business English Dictionary © Cambridge University Press)
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