PPI

I. \\|pē(ˌ)pē|ī\ noun (-s)

Etymology: plan position indicator

: a radarscope on which spots of light representing reflections of radar waves indicate the range and bearing of objects such as airplanes, ships, buildings, cliffs, and mountains

II. abbreviation

Usage: often not capitalized

1. parcel post insured

2. policy proof of interest

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1. patient package insert: a leaflet included with a prescription medication indicating its proper use.

2. plan position indicator.

3. producer price index.

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abbrev

1. Plan Position Indicator

2. Proton pump inhibitor

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p.p.i.,

policy proof of interest.

PPI (no periods),

plan position indicator: »

The PPI screen shows a flat map of the circular region above the radar (Scientific American).

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Computing abbr. pixels per inch, a measure of the resolution of display screens, scanners, and printers

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ppi 7 [ppi] [ˌpiː piː ˈaɪ] [ˌpiː piː ˈaɪ] abbreviation (computing)

pixels per inch (a measure of the quality of images)