absoluutne rõhk miinus atmosfääri rõhk, õhurõhu suhtes mõõtmisel saadud rõhk, absolute pressure minus atmospheric pressure, pressure measured relative to the ambient atmospheric pressure, value of the pressure of the gas relative to the ambient atmospheric pressure, difference between the absolute static pressure of a fluid and the atmospheric pressure at the place and time of the measurement, vedeliku absoluutrõhu ja atmosfäärirõhu vahe mõõtmise kohas ja ajal