Procedure vs Protocol

When to use each in English, with meaning, register, and examples.

 ProcedureProtocol
MeaningA series of steps to follow to do something.A set of rules or guidelines about how to do something.
Register-formal
CEFR levelB2C1
Part of speechnounnoun
Usage notesUsed in both formal and informal contexts. More common in technical or academic settings, and less appropriate in casual conversations.Used in technical, legal, or official contexts. It's not appropriate in casual conversations.

Frequently asked questions: Procedure vs Protocol

What's the difference between "Procedure" and "Protocol"?

"Procedure" means: A series of steps to follow to do something. "Protocol" means: A set of rules or guidelines about how to do something.

When should I use "Procedure" and "Protocol"?

"Protocol" is formal.

Are "Procedure" and "Protocol" the same CEFR level?

"Procedure" is at B2, "Protocol" is at C1 on the CEFR scale.

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