Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation pascal

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry The symbol for protactinium.
  • noun metrology The symbol for pascal, a unit of pressure and of stress.
  • noun informal, in direct address Father, dad, papa.
  • noun A short form of grandpa, grandfather.

Etymologies

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