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Definition code in American English

code noun

noun
/koʊd/

▪ breach, break, comply with, contravene, keep to

1

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

Example

They never cracked the enemy's code (=discovered how it worked).

Example

The message was written in code.

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2

a set of rules about how something should be done or how people should behave

Example

Even criminals have their own code of honor.

Example

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

Example

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

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3

a set of numbers or letters that gives information about something, for example by showing what it is or when it was made

Example

The shirt comes in eight colors, each identified by a two-letter code.

Example

Write the order code in this box.

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3.1

the first part of a telephone number that shows where someone lives. The area code tells you the town or district, and the international code is used when telephoning another country.

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3.2

a set of numbers that allows you to open a lock or door or turn off an alarm

Example

She punched in a five-digit security code.

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4

a set of instructions that a computer can understand

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Example

the genetic code

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Example

The district says all fire hydrants were up to code and checked before the fire.

Definition code in American English