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 midday" in the 12-hour clock.

PM or Pm or pm may also refer to:

• Palm mute, a guitar playing technique
• PM (radio program), Australia
• PM (BBC Radio 4), UK
• PM Magazine, an American TV news program (1976–1991).
• PM (newspaper), US (1940–1948)
• PM Press, an American publishing company
• Pocket Mortys, a role-playing video game
• Project Mayhem, a fictional conspiracy in the book and film Fight Club
• PM, a band with drummer Carl Palmer.

• P.M. Place Stores, a former US chain of discount stores
• Pere Marquette Railway, North America 1900–1947, reporting mark
• Philip Morris International, a tobacco company

• Performance management of an organisation
• Portfolio manager
• Preventive maintenance
• Project manager
• Product manager
• Program manager
• Product marketer

• Prime minister
• Polícia Militar, Brazilian military police

• U.S. Department of State Bureau of Political-Military Affairs

• P.M. (author) or p.m., pseudonym of Hans Widmer (born 1947), Swiss author
• Pat Maloney Sr. (1924–2005), American trial lawyer

• Plasma membrane, also known as cell membrane
• Polymyositis, a disease
• Poor metabolizer, a term used in pharmacogenomics to refer to individuals with little to no functional metabolic activity
• Post-mortem
• Precision medicine
• Pyridoxamine, the amine form of vitamin B₆

• Parametric Method 3 (PM3 (chemistry)), in computational chemistry
• Particulate matter, microscopic particles suspended in the air
  • PM10, particulates smaller than 10 μm
• Powder metallurgy, a method of fabricating metals
• Promethium, symbol Pm, a chemical element

• Particle mesh, an algorithm for determining forces
• Perl module, file extension .pm
• Private message, a private communication channel on some platforms

• Petametre (Pm), a length unit (10¹⁵ m)
• Picometre (pm), a length unit (10⁻¹² m)
• Picomolar (pM), a unit of molar concentration

• Martin PM, a version of the Naval Aircraft Factory PN flying boat
• Toyota PM, a concept car
• Pm36, a Polish steam locomotive

• Makarov PM (Pistolet Makarova), a Soviet and Russian pistol
• Minebea PM-9, a Japanese submachine gun
• 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

• Precision Marksman (PM), a sniper rifle and precursor to the accuracy international arctic warfare rifle

• PM-43 and PM-68 mine, Finland
• PM-60 mine, East Germany
• PM-79 mine, Bulgaria

• PM-1, PM-2A, PM-3A, US Army portable nuclear reactors
• Phase modulation, in signal processing
• Polarization-maintaining optical fiber or PM fiber
• Principia Mathematica, by Whitehead and Russell
• The plus or minus sign, a symbol used in mathematics

• Passage Meditation, a form of meditation developed by Eknath Easwaran
• Saint Pierre and Miquelon (ISO 3166-1 alpha-2 country code)
  • .pm, top-level domain (ccTLD) for Saint Pierre and Miquelon

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

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