pm

¹

or PM

noun

, plural pms, pm's.

1. 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.

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

Pm

²

Symbol, Chemistry.

1. promethium.

pm.

³

abbreviation for

1. premium.

p.m.

⁴

abbreviation for

1. after noon.
2. the period between noon and midnight.

P.M.

⁵

or PM

abbreviation for

1. past master.
2. paymaster.
3. p.m.
4. Police Magistrate.
5. postmaster.
6. postmortem.
7. prime minister.
8. provost marshal.

pm

¹

the internet domain name for

1. St Pierre and Miquelon

p.m.

²

abbreviation for

1. (indicating the time period from midday to midnight) post meridiem See a.m.
2. post-mortem (examination)

PM

³

abbreviation for

1. Prime Minister
2. Past Master (of a fraternity)
3. Paymaster
4. Postmaster
5. military Provost Marshal

Pm

⁴

the chemical symbol for

1. promethium

pm

⁵

abbreviation for

1. premium

Usage Note

See a.m.

Word History and Origins

Origin of pm¹

First recorded in 2000–05

Origin of pm²

From Latin post merīdiem

Word History and Origins

Origin of pm¹

(sense 1) Latin: after noon

Example Sentences

Asked if the PM was committed to Reeves remaining chancellor for the rest of the Parliament, she said: “It’s never for me in my position to speak to cabinet appointments, but the chancellor very much remains the chancellor.”

From BBC

These scores measure the levels of particulate matter - called PM 2.5 and PM10 - in the air.

From BBC

The PM was asked by journalists if the UK should be preparing for nuclear war at a press conference to close the G20 summit of the world's largest economies in Brazil.

From BBC

The Conservatives were formally notified today that the PM would be absent.

From BBC

The last PM to do so was Theresa May in 2018.

From BBC