Dictionary (n.) An instrument for measuring in volts the differences of potential between different points of an electrical circuit.Thesaurus VOM VTVM ammeter ampere-hour meter coulometer dynamometer expansion ammeter faradmeter galvanometer hysteresis meter magnetometer megohmmeter mhometer milliammeter moving-coil meter ohmmeter potentiometer thermoammeter thermocouple thermoelectrometer variometer voltameter voltmeter |