PM

Look up PM, Pm, pm, or p.m. in Wiktionary, the free dictionary.

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

PM