pa

[ pah, paw ]
/ pɑ, pɔ /

noun Informal.


Nearby words

  1. p/l,
  2. p/n,
  3. p2p,
  4. p45,
  5. p53 gene,
  6. pa chin,
  7. pa system,
  8. pa'anga,
  9. pa's,
  10. pa.

Origin of pa

short for papa

Pa

Physics.

pascal; pascals.

Pa

Symbol, Chemistry.

PA

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

Pa.

P.A.

p.-a.

public-address system.

p.a.

participial adjective.
per annum.
press agent.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pa


British Dictionary definitions for pa

pa

1
/ (pɑː) /

noun

an informal word for father

noun NZ

a Māori village or settlement
history a Māori defensive position and settlement on a hilltop
go back to the pa to abandon city life in favour of rural life

Word Origin for pa

Māori

the internet domain name for

Panama

Pa

the chemical symbol for

protactinium

symbol for

pascal

PA

abbreviation for

Pa.

abbreviation for

Pennsylvania

p.a.

abbreviation for

per annum

Word Origin for p.a.

Latin: yearly

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pa
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for pa

Pa

The symbol for the elementprotactinium

PA

abbr.

physician's assistant
posteroanterior
pulmonary artery

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for pa

Pa

Abbreviation of pascal
The symbol for protactinium.

protactinium

[ prō′tăk-tĭnē-əm ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.