Definition of pm

 (Entry 1 of 3)

1 phase modulation
2 premium

Pm

symbol

Definition of Pm (Entry 2 of 3)

promethium

Definition of PM (Entry 3 of 3)

1 particulate matter often used with a number indicating the size of the particulate When EPA first regulated particulates in 1987, they focused on PM10, or particulates 10 microns and smaller.— Emily Monosson… the [Chinese] government has built a nationwide network of monitors tracking levels of PM2.5—the tiny combustion particles that penetrate deep into the body, causing not only breathing problems but also heart attacks, strokes and neurological ailments.— Beth Gardiner
2 paymaster
3 permanent magnet
4 postmaster They include [Postmaster] Wallace, an assistant PM, four clerks and five carriers, a rural carrier and a custodial employee.Postal Life
5 or p.m. or British pm post meridiem often not cap and often punctuated
6 postmortem
7 prime minister Yesterday Prime Minister (PM) Shinzo Abe of Japan addressed a joint session of Congress. This was the first time a sitting Japanese PM addressed both the House of Representatives and the Senate.Newstex Blogs: Rep. Brad Ashford on Facebook (Nebraska)
8 provost marshal The guard on the gate, the military and civilian police on the street, the desk sergeant, and ultimately the installation provost marshal (PM) collect and disseminate information on potential threats to their installation …— Jeffery Porter and James Crumley

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Dictionary Entries Near pm

Plzeň

pm

Pm

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Cite this Entry

“Pm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pm. Accessed 18 Jan. 2022.

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More Definitions for pm

p.m., P.M.

abbreviation

Kids Definition of p.m.

afternoon
Hint: The abbreviation p.m. is short for Latin post meridiem, which means "after noon."

pm

abbreviation

Medical Definition of pm

 (Entry 1 of 3)

premolar

Pm

symbol

Medical Definition of Pm (Entry 2 of 3)

promethium

PM

abbreviation

Medical Definition of PM (Entry 3 of 3)

1 [Latin post meridiem] after noon
2 postmortem

More from Merriam-Webster on pm

Nglish: Translation of pm for Spanish Speakers

Britannica English: Translation of pm for Arabic Speakers

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