pound per square inch
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Related to pound per square inch: pound per square foot
pound per square inch[′pau̇nd pər ¦skwer ′inch]
A unit of pressure equal to the pressure resulting from a force of 1 pound applied uniformly over an area of 1 square inch. Abbreviated psi.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.