PM

PM or pm (also written P.M. or p.m.) is an abbreviation for Latin post meridiem, meaning "after noon" in the 12-hour clock.

PM or Pm may also refer to:

Arts and entertainment

Music

• P.M. Dawn, American hip-hop act
• 2PM, a six-member boy band from South Korea
• 4 P.M., an American male R&B group
• Palm mute, a playing technique for the guitar or bass guitar
• Penn Masala, a Hindi a cappella group from the University of Pennsylvania, USA
• Pipe major, the director of bagpipe music in a Scottish or Irish pipe band
• Power Metal, a subgenre of heavy metal music
• Phil Manansala, lead guitarist of American metalcore band Of Mice & Men

News media

• PM (Australian radio program), an ABC radio news program
• PM (BBC Radio 4), a British radio news programme
• PM Magazine, an American TV news program (1976–1991)

Other media

• PM (newspaper), an American newspaper (1940–1948)
• 3pm, a former New Zealand children's TV programme
• Pac-Man, a character, video game, and TV series
• Paper Mario, a series of role-playing video games
• Pocket Monsters (Pokémon), a Japanese video game and animation franchise
• Popular Mechanics, a long-running magazine now owned by the Hearst Corporation
• Project M (video game), a 2011 modification for the 2008 Wii video game, Super Smash Bros. Brawl

Business and economics

Businesses

• P.M. Place Stores, a former US chain of discount stores
• Pere Marquette Railway, formerly operated in US and Canada (1900–1947)
• Philip Morris USA, an American tobacco company
• Pobjoy Mint, a European mint, via its mint mark PM
• Tropic Air (IATA airline designator PM)

Terminology

• Performance management, ensuring that business goals are being met in an effective and efficient manner
• Portfolio management, decisions regarding asset investments
• Precious metals, like gold, silver and platinum
• Product management, the planning and marketing of a commercial product
• Program management, the process of managing several related projects
• Project management, planning and organizing to achieve a one-time set of goals
• Preventive maintenance, procedures to avoid major equipment failures

Government and military

• Polar Medal, a medal awarded by the Sovereign of the United Kingdom
• Polícia Militar, Brazilian military police
• Bureau of Political-Military Affairs, in the U.S. Department of State

Job titles

• Photographers' Mate, a US Navy enlisted rating, merged into the Mass Communication Specialist (MC) rating in 2006
• Postmaster, the head of an individual post office
• Prime minister, the most senior minister of a cabinet
• Project Manager, a professional in the field of project management
• Pontifex Maximus, the high priest of the Ancient Roman College of Pontiffs

People

• P.M. (author), an anonymous Swiss author
• Pat Maloney Sr. (1924–2005), American trial lawyer

Science, technology, and mathematics

Biology and medicine

• PM10, particulates, smaller than 10 μm, that can cause health problems
• Participatory medicine, a new model of medicine
• Plasma membrane, a selectively permeable lipid bilayer found in all cells
• Polymyositis, a disease
• Post mortem, a medical examination carried out after death
• Powdery mildew, a fungal disease that affects a wide range of plants
• Premolar tooth, in dental nomenclature
• Princess Margaret Cancer Centre, a scientific institute in Toronto, Canada

Chemistry and materials science

• PM3 (chemistry), or Parameterized Model number 3, a modelling method in computational chemistry
• Particulate matter, fine dust and soot suspended in the air
  • PM10, particulates, smaller than 10 μm, that can cause health problems
• Picomolar (pM), a measure of the concentration of molecules of a chemical substance
• Powder metallurgy, a method of fabricating metals
• Promethium, chemical element number 61 (Pm)

Computing

• .pm, the country code top level domain (ccTLD) for Saint Pierre and Miquelon
• Particle Mesh, an algorithm for calculating the potential of a system (used in computational physics)
• Perl module, a discrete component of software for the Perl programming language (file extension .pm)
• Perl mongers, groups of local Perl enthusiasts
• Personal message or private message, a closed conversation between two or more people
• Power management, the ability of some electronic devices to reduce energy consumption

Units of measurement

• Petameter, a length unit (10¹⁵ m) (Pm)
• Picometre, a length unit (10⁻¹² m) (pm)
• Picomolar (pM), a measure of the concentration of molecules of a chemical substance

Vehicles

• Martin PM, a version of the Naval Aircraft Factory PN flying boat
• Toyota PM, a concept car
• Pm36, a Polish steam locomotive
• PM3, a Blue Origin propulsion module for a suborbital rocket

Weapons

Guns and mortars

• PM-38, a Soviet light mortar
• PM-63 RAK, Polish submachine gun
• PM-84 Glauberyt, Polish submachine gun
• PM md 96, a Romanian submachine gun
• Makarov PM (Pistolet Makarova), a 1940s Soviet pistol
• Minebea PM-9, a Japanese submachine gun

Mines

• PM-43 and PM-68 mine, Finnish anti-personnel mines
• PM-60 mine, an East German anti-tank mine
• PM-79 mine, a Bulgarian anti-personnel mine

Other uses in science, technology, and mathematics

• PM-1, PM-2A, PM-3A, a series of portable, medium-power nuclear reactors developed by the US Army
• Permanent magnet, an object which stays magnetised without external effort
• Perpetual motion, hypothesized movement that goes on forever, in violation of the second law of thermodynamics
• Phase modulation, in signal processing
• Photomultiplier tube
• Polarization-maintaining optical fiber
• Principia Mathematica, a three-volume work on the foundations of mathematics

Other uses

• Palace Museum, a large art museum housed in the Forbidden City in Beijing
• Palestine Monitor, a pro-Palestine group that documents Palestinian suffering
• Passage meditation, a form of meditation developed by Eknath Easwaran
• Saint Pierre and Miquelon (ISO 3166-1 alpha-2 country code)
  • .pm, the country code top level domain (ccTLD) for Saint Pierre and Miquelon

See also

• All pages with titles beginning with Pm
• All pages with titles beginning with PM
• All pages with titles containing pm