Definitions of atmospheric pressure

  1. the pressure exerted by the atmosphere Scrapingweb Dictionary DB
  2. The pressure at any point in an atmosphere due solely to the weight of the atmospheric gases above the point concerned. Medical Dictionary DB
  3. The weight of the atmosphere on a surface, being about 14 lb. to the square inch. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  4. The measurement of 14.7 PSI, 101330 pascals, 29.92 inches, 1013.25 mb, and 1.03 atmosphere. AKA barometric pressure. thelawdictionary.org
  5. The pressure of the weight of the atmosphere, stated usually in terms of the height of a column of mercury which it will support. The average pressure at the sea level is equal to 760 mm. of mercury. Appleton's medical dictionary.