pounds per square inch absolute


Also found in: Acronyms.

pounds per square inch absolute

[′pau̇ns pər ¦skwer ′inch ′ab·sə‚lüt]
(mechanics)
The absolute, thermodynamic pressure, measured by the number of pounds-force exerted on an area of 1 square inch. Abbreviated lbf in.-2 abs; psia.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
All natural gas volumes in this report are expressed at a pressure base of 14.73 pounds per square inch absolute and temperature of 60 degrees Fahrenheit, except as noted.