P.D. or Ph.D., Doctor of Philosophy.
per an. (L. per annum), by the year.
per cent. (L. per, by; centum, a hundred,) by the hundred.
pinx., pxt. (L. pinxit), he or she painted it.
P.M., postmaster; (L. post meridiem), afternoon.
P.M.G., postmaster-general.
P.O., post-office; P.O.O., Post-Office Order.
pp., pages.
P.P., parish-priest.
P.P.C., (F. pour prendre congé, to take leave), put on calling cards to intimate leave-taking.