Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “protocol”

protocol

noun     /ˈprəʊtəkɒl/
[C] POLITICS a formal international agreement between governments relating to a particular activity : Trade relations between the European Union's recent members are governed by a strict protocol. the Kyoto protocol
[C] IT a set of technical rules that control the exchange of information between different computers or computer networks : Companies that use a competitor's protocols in their products will pay 0.4% of their revenue to that company . Each computer's Web connection has a unique internet protocol address .
[C or U] the system of rules and acceptable behaviour that people or organizations should follow in official situations , for example when they have formal discussions : After last week's incident , officials in charge of airport security have been ordered to review safety regulations and protocol. For a junior officer to communicate such important information directly to a senior officer in this way is considered a breach of protocol.protocol for sth What is the protocol for handling complaints ?
(Definition of protocol noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of protocol

Definitions of “protocol” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More