pm
or PM
Digital Technology.
- a private message sent to another user of a social media service or private messaging service: How do I send a pm to the moderator of the message board?
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- to send a private message to (another user of such a service).
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Pm
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pm.
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p.m.
- after noon.
- the period between noon and midnight.
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Origin of p.m.
From the Latin word post merīdiem
Usage note
See a.m.
P.M.
or PM
- past master.
- paymaster.
- p.m.
- Police Magistrate.
- postmaster.
- postmortem.
- prime minister.
- provost marshal.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pm
Contemporary Examples
Indiana Jones movie marathon—12:30 pm, SpikeAn Indiana Jones movie marathon is never not a good idea.
The Ultimate Thanksgiving Weekend TV Guide: Must-See Marathons, Specials, and ParadesKevin Fallon
November 26, 2014
Portlandia marathon—9 am-2:30 pm, IFCBecause what better time than Turkey Day to put on a bird on it?
The Ultimate Thanksgiving Weekend TV Guide: Must-See Marathons, Specials, and ParadesKevin Fallon
November 26, 2014
The highly anticipated sixth season of the hilarious spy-spoof will premiere on FX at 10 pm EST on January 8, 2015.
‘Archer’ Season 6 Exclusive: Watch Six ‘Certified’ Videos and See the FX Series’ New Key ArtMarlow Stern
November 24, 2014
The band will be taking your questions in the module below from 4-5 PM EST today.
The image was taken on October 12 at 6:58 PM Central Time in Little Rock.
Historical Examples
PM urges me not to leave England as it might shake confidence.
Greener Than You ThinkWard Moore
I urged the PM to be cautious about overoptimism in giving out the news.
Greener Than You ThinkWard Moore
When pm is less than pa the whole of 655 the ellipse is to be drawn.
The soles of the feet are naked, and the molar formula is Pm 3/3 M 1/2.
The Cambridge Natural History, Vol X., MammaliaFrank Evers Beddard
A letter without any name signed to it but 'A Friend' or 'Taxpayer' or some'pm like that.
Sube CaneEdward Bellamy Partridge
pm1
- premium
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pm2
- St Pierre and Miquelon
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Pm
- promethium
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PM
- Prime Minister
- Past Master (of a fraternity)
- Paymaster
- Postmaster
- military Provost Marshal
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p.m.
P.M., pm or PM
- (indicating the time period from midday to midnight) post meridiemSee a.m.
- post-mortem (examination)
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Word Origin
(sense 1) Latin: after noon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for pm
p.m.
abbreviation of Latin post meridiem "after noon."
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Online Etymology Dictionary, © 2010 Douglas Harper
pm
- picometer
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Pm
- The symbol for the elementpromethium
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Pm
- The symbol for promethium.
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promethium
[prə-mē′thē-əm]
- A radioactive metallic element of the lanthanide series. Promethium does not occur in nature but is prepared through the fission of uranium. It has 17 isotopes, one of which is used to make long-lived miniature batteries that work at extreme temperatures for up to five years. The longest-lived isotope, Pm 147, has a half-life of 2.5 years and is used as a source of beta rays. Atomic number 61; melting point 1,168°C; boiling point 2,460°C; valence 3. See Periodic Table.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.