Pressure
The force of a fluid per unit area, usually expressed in pounds per square inch, Newton per square meter, or Pascal.
See also Absolute Pressure; Atmospheric Pressure; Back Pressure; Barometric Pressure; Boost/Boost Pressure; Discharge Pressure; Dynamic Pressure; Extreme Pressure; Face Pressure; Firing Pressure; Gauge Pressure; Inlet Pressure; Kick-In Pressure (Air Compressors); Kick-Out Pressure (Air Compressors); Maximum Allowable Working Pressure; Mean Effective Pressure; Negative Pressure; Partial Pressure; Static Pressure; Stuffing Box Pressure; Total Pressure; Vapor Pressure.