Science and technology
Biochemistry
- PPi, the anion P2O74-, a pyrophosphate
- Polyproline I helix, a type of polyproline helix
- Protein-protein interaction
Medicine
- Patients and public involvement (PPI), a UK healthcare initiative
- Prepulse inhibition, of a later pulse
- Proton-pump inhibitor, of gastric acid secretion
- Psychopathic Personality Inventory, a personality test
- Psychophysiological Interaction, fMRI analysis technique
Computing
- Parallel Peripheral Interface, of the Blackfin processor
- Programmable Peripheral Interface, Intel 8255 chip
- Programmable Peripheral Interconnect, an implementation of autonomous peripheral operations in microcontrollers
Other science and technology
- Pulsational pair-instability supernova
- Gabarit passe-partout international, in railways
- Picks per inch, a unit of textile measurement
- Pixels per inch, of an image device
- Plan position indicator, radar display
Maps PPI
Organizations
- Italian People's Party (1919) (Partito Popolare Italiano), a Christian-democratic party
- Italian People's Party (1994) (Partito Popolare Italiano), a Christian-democratic party
- Peace Party of India, Uttar Pradesh
- Philips Phonographische Industries, later Philips Records
- Phonographic Performance Ireland, Irish music performance rights organisation
- Pirate Parties International, organisation for Pirate Parties
- Polly Peck International, UK company collapsed in 1991
- Primarily Primates, primate sanctuary, Texas, US
- Progressive Policy Institute, a U.S. public policy think tank
- Pakistan Press International
- Pirate Parties International
src: designshack.net
Other uses
- Pareto priority index, to prioritize projects
- Payment protection insurance
- Positive polarity item
- Producer price index
Source of the article : Wikipedia