the customs and regulations dealing with diplomatic formality, precedence, and etiquette.
an original draft, minute, or record from which a document, especially a treaty, is prepared.
a supplementary international agreement.
an agreement between states.
an annex to a treaty giving data relating to it.
Medicine/Medical. the plan for carrying out a scientific study or a patient's treatment regimen.
Computers. a set of rules governing the format of messages that are exchanged between computers.
Also called protocol statement, protocol sentence, protocol proposition. Philosophy. a statement reporting an observation or experience in the most fundamental terms without interpretation: sometimes taken as the basis of empirical verification, as of scientific laws.
1540s, as prothogall "draft of a document," from M.Fr. prothocole (c.1200), from M.L. protocollum "draft," lit. "the first sheet of a volume" (on which contents and errata were written), from Gk. protokollon "first sheet glued onto a manuscript," from protos "first" + kolla "glue." Sense developed in M.L. and M.Fr. from "official account" to "official record of a transaction," "diplomatic document," and finally, in Fr., to "formula of diplomatic etiquette." Meaning "diplomatic rules of etiquette" first recorded 1896, from French; general sense of "conventional proper conduct" is from 1952. "Protocols of the (Learned) Elders of Zion," Rus. anti-Semitic forgery purporting to reveal Jewish plan for world domination, first published in English 1920 under title "The Jewish Peril."
A set of formal rules describing how to transmit data, especially across a network. Low level protocols define the electrical and physical standards to be observed, bit- and byte-ordering and the transmission and error detection and correction of the bit stream. High level protocols deal with the data formatting, including the syntax of messages, the terminal to computer dialogue, character sets, sequencing of messages etc. Many protocols are defined by RFCs or by OSI. See also handshaking. [Jargon File] (1995-01-12)