an electric measurement unit, equal to the product of one volt and one ampere, equivalent to one watt for direct current systems and a unit of apparent power for alternating current systems. Abbreviation:VA
Main Entry: volt–am·pere Pronunciation: 'vOlt-'am-"pi(&)r also -"pe(&)r Function: noun : a unit of electric measurement equal tothe product of a volt and an ampere that for direct current constitutes a measure of power equivalent to a watt