Description: probability for an item to be in a state to perform as required at a given instant; Name: immediate Availability
Description: Probability that an item is in a state to perform as required at a given instant, under given conditions, assuming that the necessary external resources are provided ; Name: Instantaneous availability
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)