protocol

C1 Topic:General Vocabulary

US /ˈpɹoʊtəˌkɑl/ UK /ˈpɹəʊtəˌkɒl/ See IPA manual

Freq #5147

Meanings

1

noun
A set of rules for how something should be done correctly.

All staff must follow strict safety protocols in the lab.
2

noun
A system of rules that controls how data is sent and received between computers.

Web pages are transferred using the HTTP protocol.
3

noun
An official document recording the terms of a diplomatic agreement or treaty.

Several countries signed the protocol to reduce carbon emissions.

Thesaurus

Synonyms

2 noun · a system of rules that... communications protocol

Word family

Forms protocols

Derived forms cryptoprotocolimmunoprotocolinterprotocolintraprotocolmetaprotocolmultiprotocolpreprotocolprotocolaryprotocolicprotocoligoricallyprotocolistprotocolization

Related forms prot-proto-

Etymology

Borrowed from Middle French protocolle, protocole (“document, record”), from Late Latin protocollum (“the first sheet of a volume (on which contents and errata were written)”), from Byzantine Greek πρωτόκολλον (prōtókollon, “first sheet glued onto a manuscript”), from πρῶτος (prôtos, “first”) + κόλλα (kólla, “glue”).

protocolle, protocole Middle French protocollum la-lat πρωτόκολλον gkm

View etymology graph ->

Topics

General Vocabulary

External links

# protocol

**Type:** Word
**Level:** C1
**Part of speech:** noun
**IPA (US):** /ˈpɹoʊtəˌkɑl/
**IPA (UK):** /ˈpɹəʊtəˌkɒl/
**Frequency rank:** 5147

## Meanings
1. A set of rules for how something should be done correctly.
2. A system of rules that controls how data is sent and received between computers.
3. An official document recording the terms of a diplomatic agreement or treaty.

## Examples
- All staff must follow strict safety protocols in the lab.
- Web pages are transferred using the HTTP protocol.
- Several countries signed the protocol to reduce carbon emissions.

## Derived Forms
- cryptoprotocol
- immunoprotocol
- interprotocol
- intraprotocol
- metaprotocol
- multiprotocol
- preprotocol
- protocolary
- protocolic
- protocoligorically
- protocolist
- protocolization

## Related Forms
- prot-
- proto-

## Roots and Affixes
- Root: protocolle, protocole
- Root: protocollum
- Root: πρωτόκολλον
- Affix: proto- - first

## Etymology
Borrowed from Middle French protocolle, protocole (“document, record”), from Late Latin protocollum (“the first sheet of a volume (on which contents and errata were written)”), from Byzantine Greek πρωτόκολλον (prōtókollon, “first sheet glued onto a manuscript”), from πρῶτος (prôtos, “first”) + κόλλα (kólla, “glue”).

## AI Etymology
Protocol is borrowed from Middle French protocolle, protocole (“document, record”), from Late Latin protocollum (“the first sheet of a volume (on which contents and errata were written)”), from Byzantine Greek πρωτόκολλον (prōtókollon, “first sheet glued onto a manuscript”), from πρῶτος (prôtos, “first”) + κόλλα (kólla, “glue”). The historical chain includes protocolle, protocole (Middle French), protocollum (Late Latin), and πρωτόκολλον (Byzantine Greek). The surrounding word family includes derived forms such as cryptoprotocol, immunoprotocol, interprotocol, and intraprotocol and related forms such as prot- and proto-. In present use it covers a set of rules for how something should be done correctly, a system of rules that controls how data is sent and received between computers, and an official document recording the terms of a diplomatic agreement or treaty.

## Topics
- General Vocabulary

markdown