From Longman Dictionary of Contemporary EnglishPublic Private PartnershipˌPublic ˌPrivate ˈPartnership (abbrev. PPP) noun [countable, uncountable] an arrangement in which the UK government works together with a private company in order to improve a public service such as a railway system, road, prison, school, or hospital. The government believes that private companies can manage or build some of these things better than public organizations, but some people do not think that private companies should manage certain things such as prisons. → see also Private Finance InitiativeFrom Longman Business Dictionarypublic-private partnershipˌpublic-ˌprivate ˈpartnership [countable] a partnership where investment comes from the government and from companiesa public-private partnership between IT companies and the Department of Energy to develop new computer chips → partnership