P.M.

PM will usually refer to post meridiem (also written P.M., p.m., and pm), "after noon" in the 12-hour clock, in contrast to ante meridiem (a.m., "before noon"). It may also refer to:

Sciences

Particulate matter, particulates — fine dust and soot — suspended in the air
PM10, particulates, smaller than 10μm, that can cause health problems
PM3 (chemistry), or Parameterized Model number 3 - a modelling method in computational chemistry
Permanent magnet, an object which stays magnetised without external effort or mason
Perpetual motion, refers to movement that goes on forever
Petameter, a length unit (10¹⁵ m) (Pm)
Phase modulation, in electrical engineering
PM tube, Photomultiplier tube.
Picometre, a length unit (10^-12 m) (pm)
Plasma membrane, is a selectively permeable lipid bilayer found in all cells
Powdery mildew, a fungal disease that affects a wide range of plants
Powder metallurgy, a method of fabricating metals.
Premolar tooth, dental nomenclature
Promethium, chemical element number 61 (Pm)
Polymyositis
Post mortem, a medical examination carried out after death
Principia Mathematica, a three-volume work on the foundations of mathematics
Polarization-maintaining optical fiber
Pro Memorie
Postmodernism, literally means 'after the modernist movement', an aesthetic, literary, political or social philosophy, which was the basis of the attempt to describe a condition, or a state of being, or something concerned with changes to institutions and conditions (as in Giddens, 1990) as post-modernity.

People

P.M. (musician), an American musician
P.M. (author), an anonymous Swiss author

Computing and Internet

Pac-Man, character, video game, and TV series
Paper Mario, game for Nintendo 64
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.
Personal message or private message, a type of e-mail within community sites or chat between two people.

Business

P.M. Place Stores, a former US chain of discount stores
Altria Group, previously named "Phillip Morris"
Power Machines or Silmash, a Russian industrial company
Product manager
Project manager or project management, the discipline of organizing and managing resources
Pobjoy Mint, a European mint, via its mint mark PM
Precious metal, a rare metallic chemical element of high economic value
IATA airline designator for Tropic Air

Media

3pm, a former New Zealand children's programme
PM, an ABC Radio national news magazine programme
PM, BBC Radio 4's long-running early evening news and current affairs programme.
PM, a politically leftist U.S. newspaper in the 1940s
PM Magazine, a news programme broadcast in the US from 1976 to 1991
Perry Mason, a fictional defense attorney
Popular Mechanics, an American magazine devoted to science and technology
The Peoples of Middle-earth by Christopher Tolkien

Transport

Martin PM, a version of the Naval Aircraft Factory PN flying boat
Paris Metro
Pere Marquette Railway
Toyota PM, a concept car

Weapons

PM-38, Soviet light mortar
PM-43, Finnish anti-personnel mine
PM-63 RAK, Polish submachine gun
PM-60, East German anti-tank mine
PM-68, Finnish anti-personnel mine
PM-79, Bulgarian anti-personnel mine
PM-84 Glauberyt, Polish submachine gun
PM md 96, Romanian submachine gun
Makarov PM (Pistolet Makarova), a 1940s, Soviet pistol
Minebea PM-9, Japanese submachine gun

Music

2PM, a seven-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
P.M. Dawn, American hip-hop act

Other

PM-1, American nuclear reactor.
Prime minister, the most senior minister of a cabinet
Preventive maintenance, a job for fault prevention during machine executes before occurring some problems.
Pontifex maximus, the high priest of the Ancient Roman College of Pontiffs
Postmaster, the head of an individual post office
Palace Museum, a large art museum housed in the Forbidden City in Beijing
Polar Medal, a medal awarded by the Sovereign of the United Kingdom
Saint-Pierre and Miquelon: ISO 3166-1 alpha-2 country code
Performance Management

Translation of "P.M."

Catalan: Pm, Czech: PM, Danish: PM (flertydig), German: PM, Spanish: Pm, Esperanto: Pm, French: PM, Korean: PM, Indonesian: PM, Italian: PM, Hebrew: PM, Latvian: PM, Lithuanian: PM, Dutch: PM, Japanese: PM, Norwegian (Bokmål): Pm, Polish: PM, Portuguese: PM, Ripuarian: PM (Watt ėßß datt?), Russian: PM, Finnish: Pm, Swedish: PM, Turkish: PM, Chinese: Pm.