The meaning of the Acronym PPI is...

PPI is

• Pages Per Inch
• Parts Per Inch
• Particles Per Inch
• Pixels Per Inch

More Meanings For PPI:

• Points Per Inch
• Parallel Peripheral Interface
• Protected Personal Information
• Pixels Per Inch
• Prince of Persia Interface
• Parse::Perl::Isolated
• Pretty Poor Interface
• Proton Pump Inhibitior
• Pages Per Inch
• Parts Per Inch
• Particles Per Inch
• Pixels Per Inch
• Pack Post Insurance
• Patient Public Involvement
• Patient and Public Involvement

PPI is also in:

• Drivers
• Hardware
• Hospitals
• Physics
• Security
• Software
• Unit Measures
• USPS