pa

Dictionary.com Unabridged

PA

1.
Parents' Association.
2.
paying agent.
3.
Pennsylvania (approved especially for use with zip code).
4.
physician's assistant.
5.
press agent.
6.
public-address system.

Pa

Physics.
pascal; pascals.

Pa

Symbol, Chemistry.

P.A.

1.
Parents' Association.
2.
Insurance. particular average.
3.
passenger agent.
4.
post adjutant.
5.
power of attorney.
6.
press agent.
7.
public-address system.
8.
publicity agent.
9.
purchasing agent.

p.a.

1.
participial adjective.
2.
per annum.
3.
press agent.

p.-a.

public-address system.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
pa1 (pɑː)
 
n
an informal word for father

pa or pah2 (pɑː)
 
n
1.  a Māori village or settlement
2.  history a Māori defensive position and settlement on a hilltop
3.  go back to the pa to abandon city life in favour of rural life
 
[Māori]
 
pah or pah2
 
n
 
[Māori]

pa3
 
the internet domain name for
Panama

Pa
 
the chemical symbol for
1.  protactinium
 
symbol for
2.  pascal

PA
 
abbreviation for
1.  Pennsylvania
2.  personal appearance
3.  personal assistant
4.  military Post Adjutant
5.  power of attorney
6.  press agent
7.  Press Association
8.  banking private account
9.  public-address system
10.  publicity agent
11.  Publishers Association
12.  purchasing agent
13.  insurance particular average
14.  (in New Zealand) probationary assistant
15.  Panama (international car registration)

Pa.
 
abbreviation for
Pennsylvania

p.a.
 
abbreviation for
per annum
 
[Latin: yearly]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

pa
1811, colloquial shortening of papa (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

Pa
The symbol for the element protactinium.

PA or P.A.
abbr.
physician's assistant

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Pa  
  1. Abbreviation of pascal

  2. The symbol for protactinium.


protactinium   (prō'tāk-tĭn'ē-əm)  Pronunciation Key 
Symbol Pa
A rare, extremely toxic, radioactive metallic element of the actinide series that occurs in uranium ores. It has 13 known isotopes, the most stable of which is protactinium 231 with a half-life of 32,760 years. Atomic number 91; approximate melting point 1,550°C; specific gravity 15.37; valence 4, 5. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary

pa definition

networking
The country code for Panama.
(1999-01-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
pa
  1. pulmonary artery

  2. Punjabi

Pa
  1. pascal

  2. protactinium

PA
  1. Palestinian Authority

  2. Panama (international vehicle ID)

  3. Pennsylvania

  4. physician's assistant

  5. plate appearances (baseball)

  6. power of attorney

  7. press agent

  8. professional association

  9. prosecuting attorney

  10. public-address system

  11. public affairs

Pa.
past
p.a.
per annum
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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