protocol
PROH-tuh-kol
/ˈprəʊ.tə.kɒl/
The official procedure or system of rules governing affairs of state or diplomatic occasions; a set of rules for a specific process.
Implies a strict, step-by-step sequence that must be followed exactly.
The story behind the word. From the Greek 'protokollon', which was the first sheet of a papyrus roll, containing the table of contents or the date of the document. It evolved from a 'table of contents' to a 'set of rules'.
Word relationships
- procedure: Procedure is a general way of doing something; protocol is a more formal, often mandatory, set of rules.
- chaos: Complete disorder and confusion.
Commonly confused with
- etiquette: Etiquette is about social manners; protocol is about formal or technical rules.
Collocations
- safety protocol
- standard protocol
- follow protocol
- breach of protocol
Example sentences
- "The emergency protocol dictates that the building must be evacuated immediately if the alarm sounds." Emergency Response
- "Following the laboratory protocol is essential to ensure the results of the experiment are valid." Scientific Research
Memory hook
The PROTO- (first) -COL (collection) of rules you must follow. The first rules.
When not to use
Don't use 'protocol' for informal habits or personal routines.
Fun facts
- In computing, a protocol (like HTTP) is a set of rules that allows different computers to talk to each other.
Related words
Also appears in
- Relationships → Social Etiquette & Manners
- Conflict → Diplomacy & Tact
- Technology → Digital Communication
- Law → International Law & Treaties
- Travel & Culture → Cultural Taboos & Etiquette
- Political Science & Governance → Public Administration & Bureaucracy
- Environmental Policy & Sustainability Economics → Climate Policy & International Agreements
- Environmental Policy & Sustainability Economics → International Environmental Accords
- Political Science & Governance → Diplomacy & Foreign Policy
- Sociology & Social Anthropology → Division of Labor & Bureaucracy
- Devices & Everyday Tech → E-mail Etiquette
- Emergency Services & Public Safety → 911 Dispatch & Emergency Communications
- Aviation & Maritime Transport → Aviation Safety & Investigations
- Devices & Everyday Tech → Smart Home & IoT Devices
Take your vocabulary further with LangBlitz
Our English vocabulary app: FSRS spaced repetition, 5,000+ curated words across 119 topic groups, CEFR A1 to C2. Explore your mastery with the beautiful Vocabulary World feature.