Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “protocol”

See all translations

protocol

noun uk   /ˈprəʊ.tə.kɒl/ us    /ˈproʊ.t̬ə.kɑːl/

protocol noun (RULES)

[U] the system of rules and acceptable behaviour used at official ceremonies and occasions: a breach of Royal protocol diplomatic protocol

protocol noun (AGREEMENT)

[C] a formal international agreement: The Geneva Protocol of 1925 prohibits the use of poisonous gases in war.

protocol noun (IN COMPUTING)

[C] specialized computing a computer language allowing computers that are connected to each other to communicate
Translations of “protocol”
in Spanish Protocolo…
in Chinese (Traditional) 規則, 禮儀,禮節…
in Russian правила этикета…
in Turkish protokol, resmî ve ciddî durumlarda uygulanan kurallar…
in Chinese (Simplified) 规则, 礼仪,礼节…
in Polish protokół…
(Definition of protocol from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of protocol?
Add Cambridge dictionaries to your browser to your website

Definitions of “protocol” in other dictionaries

Word of the Day

be as cold as ice

to be extremely cold

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More