Pm1
symbol
The chemical element promethium.
PM2
/piːˈɛm
/informal
noun (plural PMs)
1chiefly British The prime minister: a private meeting with the PM
2A post-mortem: it was important to be present at the PM if the pathologist would allow it.
3A private message sent on social media, an online forum, etc. drop me a PM if you want more details
verb (PM's, PM'ing, PM'd) [with object]
Send (someone) a private message on social media, an online forum, etc. I’ll PM you when I’m back online [with two objects]: you said you’d PM’d me his number but I haven’t received it