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).
Words nearby pm
Definition for pm (2 of 5)
Definition for pm (3 of 5)
Definition for pm (4 of 5)
p.m.
after noon.
the period between noon and midnight.
Origin of p.m.
From the Latin word
post merīdiem
usage note for p.m.
See
a.m.
Definition for pm (5 of 5)
P.M.
or PM
Example sentences from the Web for pm
British Dictionary definitions for pm (1 of 5)
pm
1
abbreviation for
premium
British Dictionary definitions for pm (2 of 5)
pm
2
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 meridiem
See a.m.
post-mortem (examination)
Word Origin for p.m.
(sense 1) Latin: after noon
Medical definitions for pm (1 of 2)
pm
abbr.
picometer
Medical definitions for pm (2 of 2)
Pm
The symbol for the elementpromethium
Scientific definitions for pm (1 of 2)
Pm
The symbol for promethium.
Scientific definitions for pm (2 of 2)
promethium
[ prə-mē′thē-əm ]
Pm
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.