Pa
WordNet

noun


(1)   An electronic amplification system used as a communication system in public areas
(2)   A Mid-Atlantic state; one of the original 13 colonies
(3)   An informal term for a father; probably derived from baby talk
(4)   A unit of pressure equal to one newton per square meter
(5)   A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
WiktionaryText

Symbol


Pa
  1. The symbol for protactinium.
  2. The symbol for pascal, a unit of pressure and of stress.
 
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