protocol
protocol — noun
1. the generally accepted rules for correct behaviour and procedures during formal
the generally accepted rules for correct behaviour and procedures during formal state occasions or official events
According to protocol, ambassadors must present their credentials to the head of state.
collocation: according to protocol
The wedding followed strict protocol, with each guest seated according to rank.
Kofi learned the diplomatic protocol for greeting foreign leaders at the summit.
Breaking protocol at a royal ceremony can be seen as a serious insult.
The military parade was conducted according to standard protocol for national holidays.
- etiquette
broader term covering general polite behaviour, not just formal occasions
- decorum
more about dignified behaviour and good taste in any setting
- convention
less rigid than protocol; refers to generally accepted social practices
文法句型
according to protocol
protocol for [something]
用法筆記
Uncountable in this sense — do not say 'a protocol' when referring to ceremonial rules.
常見錯誤
2. detailed steps written down before a scientific test or medical procedure begins
detailed steps written down before a scientific test or medical procedure begins, describing exactly what to do
The research team followed the protocol exactly to ensure accurate results.
collocation: follow the protocol
Before starting the trial, the hospital approved the new treatment protocol.
collocation: treatment protocol
Abigail checked each step of the laboratory protocol before handling the chemicals.
The vaccine protocol requires two doses given twenty-one days apart.
Any change to the experimental protocol must be reported to the review board.
- procedure
more general; a protocol is a type of procedure with stricter rules
- method
broader; refers to any way of doing something, not necessarily written
- guidelines
less strict than a protocol; recommendations rather than required steps
文法句型
protocol for [something]
follow a protocol
用法筆記
Common in medical and scientific writing. Frequently appears with 'for' — e.g. 'the protocol for treating malaria.'
常見錯誤
3. a formal written document signed by representatives of different countries, stat
a formal written document signed by representatives of different countries, stating what they have agreed on
The Kyoto Protocol set binding targets for reducing greenhouse gas emissions.
proper noun: Kyoto Protocol
Zayd studied the trade protocol signed between the two neighbouring countries.
collocation: trade protocol
Negotiators spent six months drafting the protocol on cross-border water rights.
The protocol was added as a supplementary part to the existing peace treaty.
Several nations refused to sign the protocol, citing concerns over implementation costs.
- treaty
stronger and more binding than a protocol; a treaty is a full international agreement
- accord
more general term for any formal agreement, not necessarily international
- convention
in diplomacy, a convention is usually broader and more formal than a protocol
文法句型
protocol on [something]
sign a protocol
用法筆記
Often capitalized when part of a proper name (Kyoto Protocol). May be an amendment added to an existing treaty rather than a standalone agreement.
常見錯誤
4. the agreed standards that control how information travels between machines conne
the agreed standards that control how information travels between machines connected to a network
The Internet uses a protocol called TCP/IP to transfer data between devices.
proper noun: TCP/IP protocol
Yuki configured the network protocol to allow secure file sharing between branch offices.
collocation: network protocol
Without a common protocol, the two computers could not exchange any information.
The new messaging protocol reduces the time it takes to transmit image files.
Stefan updated the router settings to support the latest wireless communication protocol.
文法句型
[communication/network] protocol
protocol for [purpose]
用法筆記
Used with specific named protocols — HTTP, FTP, TCP/IP, etc. The word alone often needs a modifier (communication protocol, network protocol) to be clear.