1) Plan position indicator 2) Producer price index 3) Radarscope position indicator 
Patient and Public Involvement
A substance used to treat certain disorders of the stomach and intestines, such as heartburn and ulcers. PPIs block the actions of an enzyme in the stomach and reduce the amount of acid made in the stomach. Also called proton pump inhibitor.
Short for pages per inch.
abbreviation: Plan Position Indicator
producer price index
(Digital cameras and photo printers) Printing term for pixel per inch. Indicates the number of pixels a scanner or digital camera can process per inch.
Paper per inch, or the number of sheets in a one-inch stack of paper; used to describe the bulk of a paper.
<abbreviation> Inorganic pyrophosphate. ... (05 Mar 2000) ... 
Pixel Per Inch. The frequency of the number of samples used to display an image on a computer monitor
Pay Per Impression - Where an advertiser pays for each display (impression) of their advertisement (usually a banner).
Plan Position IndicatorPrecise Pixel Interpolation
(Pixels-per-inch) This is actually what a scanners resolution should be referred to. PPI is the same as DPI and you see the terms used interchangeably.
Type: Abbreviation Definitions: 1. Abbreviation for inorganic pyrophosphate (diphosphate).
Pixel Per Inch. The frequency of the number of samples used to display an image on a computer monitor. 
Pixels Per Inch
Proton pump inhibitor
producer price index
plan position indicator
Pixels Per Inch. A measurement to describe the size of a printed image. The higher the number the more detailed the print will be.
Pixels per inch.
patient package insert: a leaflet included with a prescription medication indicating its proper use. · plan position indicator. · producer price index.
(Pixels Per Inch) The unit that is used to measure the resolution of a bitmapped image.