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code

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noun code pronunciation in British English /kəʊd/ 
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singularcode
pluralcodes
  1. 1
    [countable/uncountable] a system of words, numbers, or signs used for sending secret messages. To put a message into code is to encode it, and to translate it back from code is to decode it
    in code:

    The message was written in code.

    crack/break a code (=discover how it works):

    She worked at Bletchley Park, where they cracked the Enigma codes.

  2. 2
    [countable] a set of rules about how something should be done or how people should behave

    Even criminals have their own code of honour.

    penal/criminal code (=the set of laws about crimes and punishment):

    The death penalty is no longer allowed under France's penal code.

    code of conduct:

    Managers are expected to comply with the company's code of conduct.

creep

used with other nouns to describe the unexpected and often unwanted effects of a particular situation or trend

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