pm

or PM

Digital Technology.

noun plural pms, pm's.

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?

verb (used with object) pm'd or pmed, pm'ing, or pming.

to send a private message to (another user of such a service).

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What does “vacillate” mean?
Compare dm.

Definition for pm (2 of 5)

Pm

Symbol, Chemistry.

promethium.

Definition for pm (3 of 5)

pm.

premium.

Definition for pm (4 of 5)

p.m.

after noon.
the period between noon and midnight.
Compare a.m.

Origin of p.m.

From Latin post merīdiem

usage note for p.m.

See a.m.

Definition for pm (5 of 5)

P.M.

or PM


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for pm (1 of 5)

pm1

abbreviation for

premium

British Dictionary definitions for pm (2 of 5)

pm2

the internet domain name for

St Pierre and Miquelon

British Dictionary definitions for pm (3 of 5)

Pm

the chemical symbol for

promethium

British Dictionary definitions for pm (4 of 5)

PM

abbreviation for

Prime Minister
Past Master (of a fraternity)
Paymaster
Postmaster
military Provost Marshal

British Dictionary definitions for pm (5 of 5)

p.m.

P.M., pm or PM


abbreviation for

(indicating the time period from midday to midnight) post meridiemSee a.m.
post-mortem (examination)

Word Origin for p.m.

(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

Medical definitions for pm (1 of 3)

pm

abbr.

picometer

Medical definitions for pm (2 of 3)

Pm

The symbol for the elementpromethium

Medical definitions for pm (3 of 3)

PM

abbr.

postmortem
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for pm

Pm

The symbol for promethium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.