| 释义 |
- Arts and entertainment
- Business and economics Businesses Terminology
- Government and military
- People
- Science, technology, and mathematics Biology and medicine Chemistry and materials science Computing Units of measurement Vehicles Weapons Guns and mortars Mines Other uses in science, technology, and mathematics
- Other uses
- See also
{{Wiktionary|PM|Pm|pm|p.m.}}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: {{TOC right}}Arts and entertainment- Palm mute, a guitar playing technique
- PM (Australian radio program)
- 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
Business and economicsBusinesses- 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
Terminology- Performance management of an organisation
- Preventive maintenance
- Project manager
Government and military- Prime minister
- Polícia Militar, Brazilian military police
- Bureau of Political-Military Affairs, in the U.S. Department of State
People- P.M. (author) or p.m., pseudonym of Hans Widmer (born 1947), Swiss author
- Pat Maloney Sr. (1924–2005), American trial lawyer
Science, technology, and mathematicsBiology and medicine- Plasma membrane, also known as cell membrane
- Post-Mortem
- Precision medicine
- Polymyositis, a disease
Chemistry and materials science- PM3 (chemistry), in computational chemistry
- Particulate matter in the air
- PM10, particulates smaller than 10 μm
- Powder metallurgy, a method of fabricating metals
- Promethium, chemical element number 61 (Pm)
Computing- Particle Mesh, an algorithm for determining forces
- Perl module, file extension .pm
- Personal message or private message in messaging systems
Units of measurement- Petameter, a length unit (1015 m) (Pm)
- Picometre, a length unit (10−12 m) (pm)
- Picomolar (pM), a unit of molar concentration
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
WeaponsGuns 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, US Army portable nuclear reactors
- Phase modulation, in signal processing
- Polarization-maintaining optical fiber or PM fiber
- Principia Mathematica, by Whitehead and Russell
Other uses- 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
See also- {{lookfrom|Pm}}
- {{lookfrom|PM}}
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