Description: for a proportional element, the quotient of the change in the output variable and the associated input variable; Name: proportional coefficient
Description: proportional element, the quotient of the variation of the output variable to the corresponding variation of the input variable; Name: proportional action coefficient
Description: gauge pressure of the gaseous state of a substance which is in thermodynamic equilibrium with the liquid or solid phase of the substance at a given temperature; Name: vapor pressure (gauge)