From Longman Dictionary of Contemporary Englishpeer-to-peerˌpeer-to-ˈpeer (also P2P) adjective → peer-to-peer architecture/network/technology etc
Examples from the Corpus
peer-to-peer• This includes the PowerLan peer-to-peer networking system, the company's flagship product, of which version 2.30 has also been announced.From Longman Business Dictionarypeer-to-peerˌpeer-to-ˈpeer written abbreviation P2P adjective peer-to-peer architecture/network/technology etcCOMPUTING a computer system etc in which all of the computers are connected to each other and do not need a server (=a main computer that connects the others) 