Tra từ code - Từ điển Oxford Advanced Learner 8th

code AW [code codes coded coding] noun, verb BrE [kəʊd] NAmE [koʊd]
noun
1. countable, uncountable (often in compounds)a system of words, letters, numbers or symbols that represent a message or record information secretly or in a shorter form
•to break/crack a code (= to understand and read the message)
• It's written in code.
• Tap your code number into the machine.
•In the event of the machine not operating correctly, an error code will appear.
see also ↑area code, ↑barcode, ↑Morse code, ↑postcode, ↑sort code, ↑zip code
2. countable = ↑dialling code
• There are three codes for London.
3. uncountable (computing)a system of computer programming instructions
see also ↑machine code, ↑source code
4. countable a set of moral principles or rules of behaviour that are generally accepted by society or a social group
•a strict code of conduct
5. countable a system of laws or written rules that state how people in an institution or a country should behave
•the penal code
see also ↑dress code, ↑Highway Code

Word Origin:
Middle English: via Old French from Latin codex, codic- literally block of wood, later denoting a block split into leaves or tablets for writing on, hence a book. The term originally denoted a systematic collection of statutes made by Justinian or another of the later Roman emperors; compare with sense 5 (mid 18th cent.), the earliest modern sense.

Example Bank:
•He was thrown out for infringing the club's strict dress code.
•The code was difficult to crack.
•The company has drawn up a new disciplinary code.
•The principal said I had violated the school's dress code.
•The profession has a strict code of practice.
•There is an unwritten code that says ‘Do not date your best friend's ex’.
•What's the area code for Bath?
•planned changes in the US tax code
•the Highway Code
•A long-standing, unwritten code of behaviour governs relations between ministers and civil servants.
•The Supreme Council adopted a new criminal code.
•The law includes amendments to the penal code.
•The school enforces a strict code of conduct.
•There should be a clear ethical code for researchers working with human subjects.
•There was a rigid code of honour associated with the cult.
•Young people unconsciously conform to a dress code but reject any kind of uniform.

verb
1. ~ sth to write or print words, letters, numbers, etc. on sth so that you know what it is, what group it belongs to, etc
• Each order is coded separately.
2. ~ sth to put a message into code so that it can only be understood by a few people
3. ~ sth (computing)to write a computer program by putting one system of numbers, words and symbols into another system
Syn: ↑encode
Verb forms:

Word Origin:
Middle English: via Old French from Latin codex, codic- literally block of wood, later denoting a block split into leaves or tablets for writing on, hence a book. The term originally denoted a systematic collection of statutes made by Justinian or another of the later Roman emperors; compare with sense 5 (mid 18th cent.), the earliest modern sense.