[kohd] /koʊd/

a system for communication by telegraph, heliograph, etc., in which long and short sounds, light flashes, etc., are used to symbolize the content of a message:
Morse code.
a system used for brevity or secrecy of communication, in which arbitrarily chosen words, letters, or symbols are assigned definite meanings.
any set of standards set forth and enforced by a local government agency for the protection of public safety, health, etc., as in the structural safety of buildings (building code) health requirements for plumbing, ventilation, etc. (sanitary or health code) and the specifications for fire escapes or exits (fire code)
a systematically arranged collection or compendium of laws, rules, or regulations.
any authoritative, general, systematic, and written statement of the legal rules and principles applicable in a given legal order to one or more broad areas of life.
a word, letter, number, or other symbol used in a code system to mark, represent, or identify something:
The code on the label shows the date of manufacture.
Computers. the symbolic arrangement of statements or instructions in a computer program in which letters, digits, etc. are represented as binary numbers; the set of instructions in such a program:
That program took 3000 lines of code.
Compare , , .
any system or collection of rules and regulations:
a gentleman’s code of behavior.
Medicine/Medical. a directive or alert to a hospital team assigned to emergency resuscitation of patients.
Genetics. .

verb (used with object), coded, coding.
to translate (a message) into a code; .
to arrange or enter (laws or statutes) in a code.
Computers. to translate (a program) into language that can be communicated to the computer.
verb (used without object), coded, coding.
Genetics. to specify the amino acid sequence of a protein by the sequence of nucleotides comprising the gene for that protein:
a gene that codes for the production of insulin.
a system of letters or symbols, and rules for their association by means of which information can be represented or communicated for reasons of secrecy, brevity, etc: binary code, Morse code See also genetic code
a message in code
a symbol used in a code
a conventionalized set of principles, rules, or expectations: a code of behaviour
a system of letters or digits used for identification or selection purposes
verb (transitive)
to translate, transmit, or arrange into a code

c.1300, “systematic compilation of laws,” from Old French code “system of laws, law-book” (13c.), from Latin codex, earlier caudex “book, book of laws,” literally “tree trunk,” hence, book made up of wooden tablets covered with wax for writing. Meaning “cipher” (the sense in secret code) is from 1808.

1815, from code (n.). Specifically in the computer sense from 1947. Related: Coded; coding.

A series of instructions designed to be fed into a computer.
coherent digital exciter
Confederation of Dental Employers


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    character, standard A mapping, generally 1:1, from a set of integers, known as character codes or code positions, to a set of characters that may include letters, digits, punctuation, control codes, mathematical and typographic symbols. There are several standard coded character sets, the most widely used is ASCII, generally in its Latin-1 dialect, with Unicode […]

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  • Code division multiplexing

    Code Division Multiple Access

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