pounds per square inch

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Noun1.pounds per square inch - a unit of pressure
pressure unit - a unit measuring force per unit area
References in periodicals archive ?
8 million cubic feet of gas and 50 barrels of condensate per day with a flowing tubing pressure of 4725 pound per square inch.
Pressure in the old system could be maintained at only about one-quarter pound per square inch, compared to the 35 to 60 pounds per square inch in modern pipes.