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Definition of protocol

protocol

/ˈproʊtəkɑːl/
pro · to · col

Plural:protocols
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Adjective:protocolar
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Past Simple:protocolled
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Past Participle:protocolled
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Present Participle:protocolling
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protocol Lexical Profile

protocol Game Scores & Validity

• noun

1

An established procedure, plan, or set of precise instructions for carrying out a scientific experiment, medical treatment, or emergency response.

Example

"The hospital updated its safety protocol to prevent the spread of infectious diseases."


2

The official system of rules, customs, and etiquette governing affairs of state, diplomatic ceremonies, or formal social occasions.

Example

"According to royal protocol, guests must wait until the monarch is seated before taking their places."


3

A standardized set of rules and formats that allows electronic devices or computers to exchange data and communicate across a network.

Example

"Modern web browsers rely on a secure communication protocol to encrypt sensitive user information."


4

The original draft, record, or supplementary amendment of a diplomatic document, agreement, or international treaty.

Example

"Over a hundred nations signed the environmental protocol to reduce greenhouse gas emissions."

Synonyms
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Antonyms
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• verb

1

To record or draw up an agreement, transaction, or official proceeding in a formal protocol or minutes.

Example

"The secretariat was instructed to protocol the minutes of the summit before the delegates departed."

Synonyms
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Word Origin & Etymology

Borrowed from Old French protocole, from Medieval Latin protocollum, and ultimately from Late Greek prōtokollon, literally meaning 'the first sheet glued onto a papyrus roll,' which bore the official authentication and summary of the document.

Cite this Entry


Wordmom. (2026). Definition of Protocol. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/protocol
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