| | | Ph.D. |
| noun - (abbreviation) of Doctor of Philosophy, a terminal research degree
- the highest of academic degrees conferred by a college or university
- Also without points (as PhD?) in the UK, where this is the more common form.
- Not to be used generically to refer to all doctoral degrees. There are many other doctoral designations.
| p.m. |
| abbreviation
- after noon (used after a time to indicate it is between noon and midnight, i.e., in the afternoon, evening or night as opposed to the morning)
| | PTA |
| initialism - Parent Teacher Association
- Prepaid Ticket Advice. Information sent to an airline that a passenger will collect the ticket at the airport.
| PUC |
| initialism - Pontificia Universidad Católica de Chile.
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