protocol Meaning in the Cambridge English Dictionary
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Meaning of “protocol” in the English Dictionary

"protocol" in British English

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protocolnoun

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

protocol noun (RULES)

[U] the ​system of ​rules and ​acceptablebehaviour used at ​officialceremonies and ​occasions: a ​breach of Royal protocol diplomatic protocol

protocol noun (AGREEMENT)

[C] a ​formalinternationalagreement: The Geneva Protocol of 1925 ​prohibits the use of ​poisonousgases in ​war.

protocol noun (IN COMPUTING)

[C] specialized computing a ​computerlanguageallowingcomputers that are ​connected to each other to ​communicate
(Definition of protocol from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"protocol" in American English

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protocolnoun

 us   /ˈproʊt̬·əˌkɔl, -ˌkɑl/

protocol noun (RULES)

[C/U] the ​formalsystem of ​rules for ​correctbehavior on ​officialoccasions: [U] According to protocol, the new ​ambassador will ​present his ​credentials to the ​president. science [C/U] A protocol is also the ​rules to be ​followed when doing a ​scientificstudy or an ​exactmethod for giving ​medicaltreatment: [U] medical protocol [C] a ​treatment protocol

protocol noun (AGREEMENT)

(Definition of protocol from the Cambridge Academic Content Dictionary © Cambridge University Press)

"protocol" in Business English

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protocolnoun

uk   us   /ˈprəʊtəkɒl/
[C] POLITICS a ​formalinternationalagreement between ​governmentsrelating 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 ​technicalrules 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 protocoladdress.
[C or U] the ​system of ​rules and acceptable ​behaviour that ​people or ​organizations should ​follow in ​officialsituations, for ​example when they have ​formal discussions: After last week's incident, ​officials in ​charge of ​airportsecurity have been ​ordered to ​reviewsafetyregulations and protocol. For a ​juniorofficer to communicate such important ​information directly to a ​seniorofficer in this way is considered abreach of protocol.protocol for sth What is the protocol for ​handlingcomplaints?
(Definition of protocol from the Cambridge Business English Dictionary © Cambridge University Press)
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