Definitions for "Pressure, absolute"
Keywords:  psi, gage, gauge, absolute, vacuum
Pressure measured in a complete vacuum.
pressure that will register on a pressure gauge, plus atmospheric pressure present, e.g., a gauge pressure of 68.5 pounds per square inch (psi) at (68.5 plus 14.7 equals 83.2); in the United States, absolute pressure is expressed as pounds per square inch absolute, or as psi
The total pressure measured from absolute zero (i.e. from an absolute vacuum).