per annum
WordReference Random House Unabridged Dictionary of American English © 2026
P.A., +
WordReference Random House Learner's Dictionary of American English © 2026- AbbreviationsParents' Association.Also, PA
PA,
an abbreviation of:
Pa., an abbreviation of:
P.A., an abbreviation of:
WordReference Random House Unabridged Dictionary of American English © 2026- Pennsylvania.
- Sound Reproductionpublic-address system.
Pa., an abbreviation of:
- Place NamesPennsylvania.
P.A., an abbreviation of:
- public-address system.
pa
(pä, pô),USA pronunciation n. [Informal.]
PA,
Pa, [Symbol, Chem.]
Pa.,
P.A.,
- Informal Termsfather.
- short for papa
PA,
- Parents' Association.
- paying agent.
- Pennsylvania (approved esp. for use with zip code).
- Medicinephysician's assistant.
- press agent.
- Sound Reproductionpublic-address system.
- Chemistry, Physicspascal;
pascals.
Pa, [Symbol, Chem.]
- protactinium.
Pa.,
- Place NamesPennsylvania.
P.A.,
- Parents' Association.
- Business[Insurance.]particular average.
- passenger agent.
- post adjutant.
- Lawpower of attorney.
- press agent.
- public-address system.
- publicity agent.
- purchasing agent.
- Grammarparticipial adjective.
- per annum.
- press agent.
- Sound Reproductionpublic-address system.
Collins Concise English Dictionary © HarperCollins Publishers::
'P.A.' also found in these entries (note: many are not synonyms or translations):
A.A.U.P.
- A.C.P.
- A.E. and P.
- AP
- ASAP
- Adams
- B.P.A.
- B.S.P.A.
- C.P.A.
- Cerenkov radiation
- D.P.A.
- Dirac delta function
- IPA
- International Phonetic Alphabet
- M.E.P.A.
- M.P.A.
- P, p
- PA system
- Pau
- allophone
- alp
- apa
- certified public accountant
- em-
- pa
- pac
- pal
- parity
- particular average
- penny
- peter
- pi
- public-address system
- substance P