pianississimo; double pianissimo.
purchasing power parity: a rate of exchange between two currencies that gives them equal purchasing powers in their own economies
private-public partnership: an agreement in which a private company commits skills or capital to a public-sector project for a financial return
Point to Point Protocol
purchasing power parity
abbreviation 1. peripheral primitive neuroectodermal tumour
1. . PPO abbr. preferred provider organization preferred provider organization
Project-Programmer Number. A user-ID under TOPS-10 and its various mutant progeny at SAIL, BBN, CompuServe and elsewhere. Old-time hackers from the PDP-10 era sometimes use this to refer to user IDs on other systems as well. [Jargon File] (1994-11-18)
[poo l-bak] /ˈpʊlˌbæk/ noun 1. the act of pulling back, especially a retreat or a strategic withdrawal of troops; pullout. 2. that which pulls something back or impedes its forward movement. 3. Machinery. a device for pulling a moving part to its original position.