PPM or ppm may refer to:
Pages per minute, a measure of speed often used to market printers or photocopiers
Parry People Movers, a British company manufacturing lightweight railbuses
Partido Popular Monárquico (People's Monarchist Party), Portuguese political party
Parts per million, a measure of concentration; a statistical quality measure of outgoing product quality
Pay Per Impression, one way that advertising campaigns can be structured
Peak programme meter, a type of audio level meter, called peak meter
Perl package manager, a packaging system for distributing precompiled modules for use with the Activestate binary distribution of the Perl programming language
Peter, Paul and Mary, a folk music group of the 1960's
Personal Participatory Media, subjective social media derived from collaborative participation
Permanent pacemaker or artificial pacemaker
Persistent pupillary membrane, a condition in the eyePlanned Preventative Maintenance, a schedule/program for building maintenance
Polypropylene Mesh, material used in some loudspeaker cones
Portable People Meter, created by Arbitron to measure radio broadcast audiences
Portable pixmap, a graphics file format
Prediction by Partial Matching, a compression algorithm used in computer sciencePrivate Placement Memorandum, a form of
prospectus (finance) used in connection with
corporate financeProton precession magnetometerProbabilistic Packet Marking, an IP Traceback method
Product Portfolio ManagementProject Portfolio Management, management of a set of projects as a single portfolio
Pulse-position modulation, a form of data transmissionProcs Per Minute Gaming term. Used for Chance on Hit data in the popular World of Warcraft game
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The portable pixmap file format (PPM), the portable graymap file format (PGM) and the portable bitmap file format (PBM) specify rules for exchanging graphics files. They provide very basic functionality and serve as a least-common-denominator for converting
pixmap, graymap, or
bitmap files between different platforms. Several applications refer to them collectively as the PNM format (portable anymap).
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