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protocol noun

  /ˈpɹoʊtəˌkoʊl/ , /ˈpɹoʊtəˌkɑl/ , /ˈpɹoʊtəˌkɔl/ , /ˈpɹəʊtəˌkɒl/
  • The official rules and guidelines for heads of state and other dignitaries, governing accepted behaviour in relations with other diplomatic representatives or over affairs of state. [from 19th c.]
  • (computing) A set of formal rules describing how to transmit or exchange data, especially across a network. [from 20th c.]
protocollo
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