protocol

protocol is part of the Academic Word List. It is important for students in college and university.

Noun

Singular protocol

Plural protocols

1. (countable) A protocol is a rule, guideline, or document about how certain activies are done.

   I don't know the protocol for talking to the President.

2. (countable) A protocol is a set of rules that describes how data is transmitted.

   To get the domain name from the domain name server, the other computer has to send the right protocol.