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A short symbol, often with little relation to the item it represents.

This flavour of soup has been assigned the code WRT-9.

A body of law, sanctioned by legislation, in which the rules of law to be specifically applied by the courts are set forth in systematic form; a compilation of laws by public authority; a digest.

Any system of principles, rules or regulations relating to one subject.

The medical code is a system of rules for the regulation of the professional conduct of physicians.

A set of rules for converting information into another form or representation.

A message represented by rules intended to conceal its meaning.

A cryptographic system using a codebook that converts words or phrases into codewords.

Instructions for a computer, written in a programming language; the input of a translator, an interpreter or a browser, namely: source code, machine code, bytecode.

I wrote some code to reformat text documents.

(scientific programming) A program.

A particular lect or language variety.

An emergency requiring situation-trained members of the staff.

To write software programs.

I learned to code on an early home computer in the 1980s.

To add codes to a dataset.

To categorise by assigning identifiers from a schedule, for example CPT coding for medical insurance purposes.

To encode.

We should code the messages we send out on Usenet.

To encode a protein.

To call a hospital emergency code.

coding in the CT scanner