professional
It depends in what the circumstances the abbreviation is used? One example: PA could mean Personal Assistant. There is also Public Announcement!
It depends greatly on the context. In online personal ads, P&P or PnP stands for "party and play," which means to use methamphetamines (crystal meth) and then have sex. In merchandise advertisements, P&P can stand for Postage and Packaging, also known as Shipping & Handling. It is the additional charge for preparing your order and shipping it to you. P&P can also stand for Policy & Procedures.
History and Physical
It means "Società per azioni"
PARTURITION UTERINE FULL TERM :p
P with a line over it means after in medical terms."post"
H is the abbreviation on the table of elements. The 'chemical symbol' for hydrogen is H.
should bt H&P for history and physical
The abbreviation for primary waves is P-waves.
It used to stand for Personal Home Page but today,the first P is dropped and stands for Hypertext Processor
Drug & Disease Free. They are probably telling the truth about the drug thing but I'd be worried about the disease free claim's. They always lie so ask to see a report or go with them to get checked... "and yes I know they'll suffer but your parts will thank-you later." :p - Brant
The weather abbreviation "P" typically stands for "partly cloudy." This means that the sky is partially covered by clouds, but there are breaks in the cloud cover allowing some sunshine to come through.